The house will be 10.9 inches high on the blueprint.
Step-by-step explanation:
Given,
Scale on blue print;
6 inch = 11 feet
We will find unit rate in terms of foot.
1 foot = [tex]\frac{6}{11}\ inches[/tex]
Therefore;
20 feet = [tex]\frac{6}{11}*20 = \frac{120}{11}[/tex]
20 feet = 10.9 inches
The house will be 10.9 inches high on the blueprint.
Keywords: unit rate, division
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The house would be approximately 10.91 inches tall on the blueprint to represent a 20-foot actual height.
The student asked how many inches high a house would be on a blueprint if the actual home is to be 20 feet tall, and a blueprint states that a 6-inch line represents 11 feet on the actual home. To solve this, we set up a proportion to determine the blueprint's height. The proportion is 6 inches/11 feet = x inches/20 feet, where x represents the height on the blueprint. First, write the proportion as 6 inches/11 feet = x inches/20 feet. Then, cross-multiply to get 11 feet * x inches = 6 inches * 20 feet. To find x, divide both sides of the equation by 11 feet, getting x = (6 inches * 20 feet) / 11 feet. After calculating, we find that x ≈ 10.91 inches. Therefore, on the blueprint, the house would be approximately 10.91 inches tall to represent an actual height of 20 feet.
16. You want to decorate around the top of a jar with ribbon. The length around the jar is
18 inches.
a. How many feet of ribbon do you need?
b. The ribbon costs $4.80 per yard. How much does it cost per foot?
c. According to how much ribbon you need, how much will it cost?
Answer: A) We need 1 1/2 ft of ribbon
B)$1.60 per foot
C)$2.40 is the total
Step-by-step explanation:
So if the length around the jar is 18 inches and we know that there is 12 inches in a foot, and 3 feet in a yard and $ 4.80 per every 3 feet. These become basis numbers. 18in- 12inch= 6 inch. So now we have 1 1/2 feet of ribbon to cover the circumference of the jar. Now we are left to answer the second question how much does it cost per foot? We can divide 4.80 by 3 to see the total cost of a foot of ribbon. That turns to 1.60 per foot. We divide that by two to cover the 6 inches. And the answer is $2.40 for 1 1/2 feet of ribbon
The volume of a sphere is increasing at a rate of 6π cubic centimeters per hour. At what rate, in centimeters per hour, is its diameter increasing with respect to time at the instant the radius of the sphere is 3 centimeters.
A: 1/3
B: 1
C: √6
D: 6
Answer: Diameter is increasing as [tex]\frac{1}{3}[/tex] centimeter per hour.
Step-by-step explanation:
Alright, lets get started.
The formula for volume of sphere is given as V : [tex]\frac{4}{3}\pir^3[/tex]
The volume of a sphere is increasing at a rate of [tex]6\pi[/tex] cubic centimeters per hour.
It means : [tex]\frac{dV}{dt}=6\pi[/tex]
[tex]V=\frac{4}{3}\pi r^3[/tex]
Taking derivative with respect to t
[tex]\frac{dV}{dt}=\frac{4}{3}\pi \times 3r^2 \frac{dr}{dt}[/tex]
[tex]6\pi=4\pi r^2 \frac{dr}{dt}[/tex]
at the instant the radius of the sphere is 3 centimeters, means
[tex]\frac{dr}{dt}= \frac{6}{4 \times 3^2}[/tex]
[tex]\frac{dr}{dt}=\frac{1}{6}[/tex]
As [tex]radius = \frac{diameter}{2}[/tex]
[tex]\frac{1}{2}\frac{dD}{dt}=\frac{1}{6}[/tex]
[tex]\frac{dD}{dt} =\frac{1}{3}[/tex]
Hence diameter is increasing as [tex]\frac{1}{3}[/tex] centimeter per hour. : Answer
Hope it will help :)
The volume of a sphere is increasing at a rate of 6π cubic centimeters per hour. The rate at which its diameter is increasing with respect to time at the instant with the radius of the sphere 3 centimeters is: [tex]\mathbf{\dfrac{1}{3}}[/tex]
Option A is correct.
The volume of a sphere can be represented by using the formula:
[tex]\mathbf{V = \dfrac{4}{3}\pi r^3}[/tex]
Now, by differentiation, if we differentiate the rate at which the volume is increasing with time, we have:
[tex]\mathbf{\dfrac{dV}{dt} = \dfrac{4}{3}\pi r^3 \ \dfrac{dr}{dt}}[/tex]
[tex]\mathbf{\dfrac{dV}{dt} = 4 \pi r^2 \ \dfrac{dr}{dt}}[/tex]
Given that:
[tex]\mathbf{\dfrac{dV}{dt}= 6 \pi cm^3/ sec}[/tex] radius (r) = 3 cmReplacing the values into the differentiated equation, we have:
[tex]\mathbf{6 \pi= 4 \pi (3)^2 \ \dfrac{dr}{dt}}[/tex]
[tex]\mathbf{\ \dfrac{dr}{dt}=\dfrac{6 \pi}{4 \pi (3)^2}}[/tex]
[tex]\mathbf{\ \dfrac{dr}{dt}=\dfrac{6 }{4 \times 9}}[/tex]
[tex]\mathbf{\ \dfrac{dr}{dt}=\dfrac{1 }{6}\ cm/sec}[/tex]
Recall that radius = d/2∴
[tex]\mathbf{\dfrac{1}{2} \dfrac{dr}{dt} =\dfrac{1}{6} }[/tex]
[tex]\mathbf{ \dfrac{dr}{dt} =\dfrac{1}{6} \times \dfrac{2}{1}}[/tex]
[tex]\mathbf{ \dfrac{dr}{dt} =\dfrac{1}{3}}[/tex]
Therefore, we can conclude that the rate at which its diameter is increasing with respect to time at the instant with the radius of the sphere 3 centimeters is [tex]\mathbf{\dfrac{1}{3}}[/tex]
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Richard has four times as many marbles as john. if Richard have 18 to John they would have the same number. how many marbles has each?
Answer:
The number of marbles Richard has 24 and John has 6.
Step-by-step explanation:
Richard has four times as many marbles as john.
If Richard have 18 to John they would have the same number.
Now, to find number of marbles each has.
Let the marbles of John be [tex]x[/tex].
And the marbles of Richard be [tex]4x.[/tex]
According to question:
[tex]4x=x+18.[/tex]
Subtracting both sides by [tex]x[/tex] we get:
[tex]3x=18.[/tex]
Dividing both sides by 3 we get:
[tex]x=6.[/tex]
Marbles of John = [tex]6.[/tex]
Marbles of Richard = [tex]4x=4\times 6=24[/tex]
Therefore, the number of marbles Richard has 24 and John has 6.
Final answer:
John has 12 marbles, and Richard has 48 marbles, as Richard has four times as many as John, and giving John 18 marbles would equalize their amounts.
Explanation:
To find the answer, we need to set up an equation based on the information provided: Richard has four times as many marbles as John, and if Richard gives John 18 marbles, they would have the same number.
Let's denote the number of marbles John has as J. Then Richard has 4J marbles. If Richard gives 18 marbles to John, Richard would have 4J - 18 marbles, and John would have J + 18 marbles. According to the problem, after the exchange, they have an equal number of marbles, so we can write the equation:
4J - 18 = J + 18
Solving for J, we move all the J terms to one side and numeric terms to the other side:
4J - J = 18 + 18
3J = 36
Dividing both sides by 3, we get:
J = 12
So, John has 12 marbles. Since Richard has four times as many, he has 4 x 12 = 48 marbles. Therefore, Richard has 48 marbles and John has 12 marbles.
The owner of Ray’s Deli wants to find out if there is a relationship between the temperature in summer and the number of glasses of lemonade he sells. From the data shown in this scatter plot, you can tell that the A) hotter the temperature, the more lemonade was sold. B) cooler the temperature, the more lemonade was sold. C) most lemonade was sold when temperatures were above 90°F. D) data shows no relationship between temperature and lemonade sales.
Answer:
D) data shows no relationship between temperature and lemonade sales.
Step-by-step explanation:
There is no correlation between temperature and lemonade sales. Sometimes two variables are not related. The data shows no relationship between temperature and lemonade sales.
The correct option will be D) data shows no relationship between temperature and lemonade sales.
What is the significant use of graphs in real life?Graphs are a not unusual place technique to visually illustrate relationships withinside the statistics. The reason for a graph is to provide statistics that are too severe or complex to be defined appropriately withinside the textual content and in much less space.
Given, The owner of Ray’s Deli wants to find out if there is a relationship between the temperature in summer and the number of glasses of lemonade he sells.
Since,
There is no correlation between temperature and lemonade sales. Sometimes two variables are not related. The data shows no relationship between temperature and lemonade sales.
Therefore, The correct option will be D) data shows no relationship between temperature and lemonade sales.
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It costs $26 to fertilize, water, mow, and maintain each square yard of a full size FIFA field (with maximum dimensions) before each game. How much would it cost to prepare the field for next weeks match?
Answer:
It will cost $256542 to prepare the field for next weeks match.
Step-by-step explanation:
The maximum dimensions of a field according to FIFA rules is 110 m by 75 m.
So, the maximum area of a field is (110 × 75) = 8250 square meters.
Now, 1 square meters is equivalent to 1.196 square yards.
So, the maximum area of a field is (8350 × 1.196) = 9867 square yards.
Now, given that it costs to make ready each square yard of a full-size FIFA field, $26 before each game.
Therefore, it will cost $(26 × 9867) = $256542 to prepare the field for next week's match. (Answer)
Determine the radius, to the nearest inch, of a large can of tuna fish that has a volume of 66 cubic
inches and a height of 3.3 inches.
The radius of can is 2.524 inches
Solution:
Given that large can of tuna fish that has a volume of 66 cubic inches and a height of 3.3 inches
To find: Radius
Given a large can of tuna fish, we know that can is generally of cylinder shape, we can use the volume of cylinder formula,
The volume of cylinder is given as:
[tex]\text{ volume of cylinder}= \pi r^{2} h$[/tex]
Where,
"r" is the radius of cylinder
"h" is the height of cylinder
[tex]\pi[/tex] is a constant equal to 3.14
Substituting the given values in above formula,
[tex]66 = 3.14 \times r^2 \times 3.3\\\\66 = r^2 \times 10.362\\\\r^2 = \frac{66}{10.362}\\\\r^2 = 6.369\\\\r = 2.524[/tex]
Thus the radius of can is 2.524 inches
Celia made 3 1/2 cups of rice. A serving of rice is 2/3 cup. How many servings did ceila make?
Answer:
Celia make [tex]5\frac{1 }{4}[/tex] servings.
Step-by-step explanation:
Given:
Celia made 3 1/2 cups of rice.
A serving of rice is 2/3 cup.
Now, to find the number of servings Celia make.
Celia made [tex]3\frac{1}{2} =\frac{7}{2}\ cups.[/tex]
So, to get the number of servings we use unitary method:
If 2/3 cup of rice is of 1 serving.
So, 1 cup of rice is of = [tex]1\div\frac{2}{3}servings.[/tex]=[tex]\frac{3}{2}[/tex]
Then 7/2 cup of rice is of [tex]=\frac{7}{2} \times \frac{3}{2}[/tex]
[tex]=\frac{21}{4}=5\frac{1}{4}.[/tex]
Thus, 7/2 cup of rice is of [tex]5\frac{1 }{4}[/tex] servings.
Therefore, Celia make [tex]5\frac{1 }{4}[/tex] servings.
Ceila made 5.25 or 5 ¹/₄ servings of rice.
Ceila made 3 1/2 cups of rice. In improper fractions this is:
3 1 /2 = 7/2
The number of servings made by Ceila can be found by:
= Number of cups of rice Ceila made / Cups of rice in a serving
= 7 / 2 ÷ 2/3
= 7/2 × 3/2
= 21 / 4
= 5.25 servings
When dividing fractions, you can instead multiply the first fraction by the inverse of the second fraction.
In conclusion, Ceila made 5.25 or 5 ¹/₄ servings of rice.
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Four students graphed one linear function each. Which student graphed a linear function with a y-intercept at -4?
Answer:
who ever line crosses the y-axis at -4.
Step-by-step explanation:
Answer:
Ellis so c
Step-by-step explanation:
A family is driving 4,608 kilometers from New York to California. It takes the family a total of 48 hours of driving to get to California.
What was their average number of kilometers per hour?
Enter your answer in the box.
_kilometers per hour
Answer:
96 km/hr
Step-by-step explanation:
Average number of kilometers per hour = 4,608 km / 48 hours
Average number of kilometers per hour = 96 km/hr
Answer:
96
Step-by-step explanation:
IF they are not getting sleep all of their journey then they must faces 96 kilometers per hour but according to their long journey they must want to get sleep and thats way they must spend some time on rest or sleep.
Dylan uses the expressions (x^2 -2x+8) and (2x^2 + 5x - 7) to represent the length and width of his bedroom. Which expression represents the area (lw) of Dylan’s room ?
[tex]2x^4 + x^3 - x^2 +54x - 56[/tex] expression represents the area of Dylan’s room
Solution:Given that,
Length of room = [tex]x^2 -2x+8[/tex]
Width of room = [tex]2x^2 + 5x - 7[/tex]
To find: Expression that the area (lw) of Dylan’s room
Since bedroom is generally of rectangular shape, we can use area of rectangle
The area of rectangle is given as:
[tex]\text {area of rectangle }=\text { length } \times \text { width }[/tex]
Substituting the given expressions of length and width,
[tex]area = (x^2 -2x+8)(2x^2 + 5x - 7)[/tex]
We multiply each term inside first parenthesis with each term inside the second parenthesis.
So it becomes,
[tex]2x^4 + 5x^3 - 7x^2 -4x^3 -10x^2 +14x +16x^2 +40x - 56[/tex]
Now combine like terms,
[tex]2x^4 + x^3 - x^2 +54x - 56[/tex]
Thus the above expression represents the area of Dylan’s room
Answer:
c
Step-by-step explanation:
Given: x - 5 > -10.
Choose the solution set.
{xIXER, X<-15)
O {xIXER, x>-5)
O {xIXER,x<5)
{XIXER, x> 15)
Answer:
The solution set is given as:
B) [tex]\{x|x\epsilon R, x>-5\}[/tex]
Step-by-step explanation:
Given inequality:
[tex]x-5>-10[/tex]
To find the solution set for the given inequality.
Solution:
We have : [tex]x-5>-10[/tex]
Solving for [tex]x[/tex]
Adding 5 both sides.
[tex]x-5+5>-10+5[/tex]
[tex]x>-5[/tex]
Thus the solution set is all real numbers greater than -5. This can be given as:
[tex]\{x|x\epsilon R, x>-5\}[/tex]
Twice a number is increased by seven
Answer:
Step-by-step explanation:
twice a number is increased by 7.....let x represent the number
ur expression would be : 2x + 7
Get a lot of points and brainliest if answer this question correctly and FAST!!!
Answer BOTH
I didn't answer first one, I accidentally clicked it!
Part 1: The right answer is Option B.
Part 2: The right answer is Option B.
Step-by-step explanation:
Given,
1 hour = 120 calories
Part 1: How many calories are burned per minute when walking on a treadmill?
1 hour = 120 calories
1 hour = 60 minutes
Therefore,
60 minutes = 120 calories
1 minute = [tex]\frac{120}{60}=2\ calories[/tex]
2 calories are burned per minute.
The right answer is Option B.
Part 2: Assuming you walk at a constant rate and burn 120 calories per hour, how many minutes will it take to burn 75 calories.
From part 1;
1 minute = 2 calories
1 calorie = [tex]\frac{1}{2}\ minute = 0.5\ minutes[/tex]
75 calories = 75*0.5 = 37.5 minutes
The right answer is Option B.
Keywords: multiplication, division
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Find the product of x2 + 2x - 4 and 3x .
Answer:x4+2x3+7x2+6x+12
Step-by-step explanation:
What is the area of a triangle for one of the legs being 3in and the hypotenuse being 9in
The area of a triangle for one of the legs being 3 inches and the hypotenuse being 9 inches is 12.727 square inches
Solution:
Given that to find area of a triangle for one of the legs being 3 inches and the hypotenuse being 9 inches
From given information,
Let "c" = hypotenuse = 9 inches
Let "a" = length of one of the leg of triangle = 3 inches
To find: area of triangle
The area of triangle when hypotenuse and length of one side of triangle is given:
[tex]A = \frac{1}{2} a \sqrt{c^2 - a^2}[/tex]
Where, "c" is the length of hypotenuse
"a" is the length of one side of triangle
Substituting the given values we get,
[tex]A = \frac{1}{2} \times 3 \times \sqrt{9^2 - 3^2}[/tex]
[tex]A =\frac{1}{2} \times 3 \times \sqrt{81-9}\\\\A =\frac{1}{2} \times 3 \times \sqrt{72}\\\\A =\frac{1}{2} \times 3 \times 8.48528\\\\A = \frac{1}{2} \times 25.45584\\\\A = 12.727[/tex]
Thus area of triangle is 12.727 square inches
2.) A scuba diver is swimming 18 feet below the water's surface. The diver swims up slowly at 0.6 feet per second for 5 seconds and then swims up for 2 more seconds at 0.3 feet per second. What is the diver's new depth?
Answer:
The diver's new depth is 14.4 feet.
Step-by-step explanation:
Given:
A scuba diver is swimming 18 feet below the water's surface.
The diver swims up slowly at 0.6 feet per second for 5 seconds and then swims up for 2 more seconds at 0.3 feet per second.
Now, to find the diver's new depth.
As given,
Total depth = 18 feet.
Total distance covered:
[tex]Distance\ covered = 0.6\times 5+0.3\times 2[/tex]
[tex]Distance\ covered = 3+0.6[/tex]
[tex]Distance\ covered =3.6[/tex]
Now, to get the new depth:
New depth = Total depth - distance covered.
[tex]New\ depth=18-3.6[/tex]
[tex]New\ depth=14.4\ feet.[/tex]
Therefore, the diver's new depth is 14.4 feet.
the cost of two pies and five cakes is $45.25. the cost of 2 pies and three cakes is $39.75 find the cost of each pie and each cake
Answer:
cost of each pie = $15.75
cost of each cake = $2.75
Step-by-step explanation:
Let x be the Pie and y be the cake.
Given:
The cost of two pies and five cakes is $45.25,
[tex]2x+5y=45.25[/tex]-----------(1)
The cost of 2 pies and three cakes is $39.75
[tex]2x+3y=39.75[/tex]--------------(2)
Now we subtract equation 2 from equation 1.
[tex]2y=5.5[/tex]
[tex]y=\frac{5.5}{2}[/tex]
y=2.75
Now we substitute the value of y in equation 1.
[tex]2x+5\times 2.75=45.25[/tex]
[tex]2x+13.75=45.25[/tex]
[tex]2x=45.25-13.75[/tex]
[tex]2x=31.5[/tex]
[tex]x=\frac{31.5}{2}[/tex]
x=15.75
So, The cost of each pie is $15.75
And the cost of each cake is $2.75
Final answer:
To find the cost of each pie and cake, two equations were set up based on the total cost of pies and cakes. By subtracting the second equation from the first, the cost of one cake was determined to be $2.75. Subsequently, the cost of one pie was calculated to be $15.75.
Explanation:
Calculating the Cost of Pies and Cakes
We have two equations based on the information provided:
2P + 5C = $45.25
2P + 3C = $39.75
Where P represents the cost of one pie, and C represents the cost of one cake. To solve for P and C, we can subtract the second equation from the first:
2P + 5C - (2P + 3C) = $45.25 - $39.75
2C = $5.50
C = $5.50 / 2
C = $2.75
Now that we know the cost of one cake, we can substitute C in one of the equations to find P:
2P + 5($2.75) = $45.25
2P + $13.75 = $45.25
2P = $45.25 - $13.75
2P = $31.50
P = $31.50 / 2
P = $15.75
Therefore, the cost of each pie is $15.75 and the cost of each cake is $2.75.
Liner systems of equations
Answer:
8 years
Step-by-step explanation:
x years later type A and type B will have the same height
Type A = Type B: 10 + (8/12)*X = 6 + (14/12)*X
multiply 12 each side
120 + 8x = 72 + 14x
14x - 8x = 120 - 72
6x = 48
x = 8
check: A: 10 x 12 + 8 x 8 = 184
B: 6 x 12 + 14 x 8 = 184
The solution to the system of equations is x = -3 and y = 2
To solve the given system of linear equations, use the method of elimination by multiplying the equations to eliminate y, solving for x, substituting the value of x back into one of the equations to solve for y, and checking the solution.
The given system of linear equations is:
x − 7y = -11
5x + 2y = -18
To solve this system of equations, we can use the method of substitution or elimination. I will demonstrate the method of elimination:
Multiply the first equation by 5 and the second equation by 1 to make the coefficients of y in both equations the same.Add the two equations together to eliminate y and solve for x.Substitute the value of x back into one of the original equations to solve for y.Check the solution by substituting the values of x and y into both equations to ensure they satisfy both equations.The solution to the system of equations is x = -3 and y = 2.
complete question given below:
Liner systems of equations
x−7y=−11
5x+2y=−18
Which explicit formula gives the nth term of the sequence
0, 3, 8, 15, 24,... ?
Answer: add over and over again
Step-by-step explanation:How do you get from 0 to 3? you add 3 to 0. Then, how do you get from 3 to 8? you add another 3 but then you a 2 too, so then 8. Lastly, my last example, how to get from 8 to 15. You take five, and then add 2 to it and add that number(then number you get when you add 5+1), 7 to 8.
Simply the following expression: -(-4)= ____
Answer:
add
Step-by-step explanation:
A car can hold gallons of fuel. It contains gallons of fuel. How much more fuel is needed to fill the car?
Question:
A car’s gas tank can hold 11 9/10 gallons of gasoline. It contains 8 3/4 gallons of gasoline. How much more gasoline is needed to fill the tank?
Answer:
[tex] 5\frac{3}{20}[/tex] more gasoline is needed to fill the tank?
Step-by-step explanation:
Given:
Capacity of the car tank = 11 9/10
Quantity of fuel already present = 8 3/4
To Find:
Quantity needed to fill the tank = ?
Solution:Let the quantity of the gasoline needed to fill the tank be x
Then
x = total capacity of the tank - quantity of fuel already present in the tank
x = [tex]11 \frac{9}{10}[/tex] - [tex]8 \frac{3}{4}[/tex]
x = [tex]\frac{119}{10}[/tex] - [tex]\frac{27}{4}[/tex]
x = [tex] 11.9[/tex] - [tex]6.75[/tex]
x = 5.15 or [tex] 5\frac{3}{20}[/tex]
help??????plssssssssss
Answer:
Therefore,
Distance between XY is 878 ft and YB is 524 ft.
Step-by-step explanation:
Given:
BW = 1612 ft
∠ Y = 72°
∠ X = 49°
To Find:
XY = ?
YB = ?
Solution:
In right angle Triangle Δ WBY Tangent identity,
[tex]\tan Y= \frac{\textrm{side opposite to angle Y}}{\textrm{side adjacent to angle Y}}[/tex]
Substituting we get
[tex]\tan 72= \frac{WB}{YB}=\frac{1612}{BY}[/tex]
[tex]\therefore BY=\frac{1612}{3.077}=523.88=524\ ft...(approximate)[/tex]
Similarly,
In right angle Triangle Δ WBX Tangent identity,
[tex]\tan X= \frac{\textrm{side opposite to angle X}}{\textrm{side adjacent to angle X}}[/tex]
Substituting we get
[tex]\tan 49= \frac{WB}{XB}=\frac{1612}{XB}[/tex]
[tex]\therefore XB=\frac{1612}{1.15}=1401.73=1402\ ft...(approximate)[/tex]
Now For
[tex]XB = XY +BY[/tex].............Addition Property
Substituting we get
[tex]1402 = XY +524\\\\\therefore XY=1402-524=878\ ft[/tex]
Therefore
Distance between XY is 878 ft and YB is 524 ft.
Last week, it rained x inches. This week, the amount of rain decreased by 5% Which
expressions represent the amount of rain that fell this week? Select all that apply.
A. g - 0.05
B. g - 0.05g
C. 0.95g
D. 0.058
E. (1 – 0.05)g
Hope it helps u..............
A flyer is spread by people at a large conference. Within one hour, the first person gives a stack of flyers to six people. Within the next hour, those six people give a stack of flyers to six new people. If this pattern continues, which summation can be used to calculate the number of people who receive a stack of flyers, not including the initial person, in the first five hours?
Sigma-Summation Underscript n = 1 Overscript 5 EndScripts 6 (6) Superscript n minus 1
Sigma-Summation Underscript n = 1 Overscript 5 EndScripts 1 (6) Superscript n minus 1
Sigma-Summation Underscript n = 1 Overscript 5 EndScripts 6 (6) Superscript n
Sigma-Summation Underscript n = 1 Overscript 4 EndScripts 1 (6) Superscript n
Answer:
In summation form [tex]\sum_{n = 1} ^{5} 6(6)^{n - 1}[/tex]
Step-by-step explanation:
Within one hour, the first person gives a stack of flyers to six people and within the next hour, those six people give a stack of flyers to six new people.
So, in the first 5 hours, the summation of people that receive a stack of flyers not including the initial person will be given by
6 + (6 × 6) + (6 × 6 × 6) + (6 × 6 × 6 × 6) + (6 × 6 × 6 × 6 × 6).
So, in summation form [tex]\sum_{n = 1} ^{5} 6(6)^{n - 1}[/tex]
Therefore, Sigma-Summation Underscript n = 1 Overscript 5 EndScripts 6 (6) Superscript n minus 1, gives the correct solution. (Answer)
We can evaluate how many persons are getting flyer by each person then calculate summation.
Option A: [tex]\sum^5_{n=1}6(6)^{(n-1)}\\[/tex]summation form.
How to find the total number of persons getting the flyers?First person gives flyers to 6 people.
Those 6 persons give flyers to 6 new people, thus [tex]6 \times 6 = 36[/tex] people...
And so on five times for five hour as this process is done on hourly basis.
Thus, the summation without including first person, for five hours to count total number of people who received flyers is:
[tex]6 + (6 \times 6) + (6 \times 6 \times 6) + (6 \times 6 \times 6 \times 6 ) + (6 \times 6 \times 6 \times 6 \times 6)[/tex]
or in summation it can be rewritten as:
[tex]\sum^5_{n=1}6(6)^{(n-1)}\\[/tex]
Thus, Option A: [tex]\sum^5_{n=1}6(6)^{(n-1)}\\[/tex] is the needed summation form.
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A tour company has a ticket price that goes down $2 for every additional person who signs up for a group trip. They charge, per person, 52-2n Where n is the number of people that go on the trip. Their total revenue, R, as a function of the number of people who can go in the trip is R=52n-2n^2. How many people Maximize the revenue for the tour company
The maximum revenue occurs at [tex]\( n = 13 \).[/tex]
The correct option is (a).
To maximize the revenue for the tour company, we need to find the value of ( n ) that maximizes the revenue function [tex]\( R = 52n - 2n^2 \).[/tex]
1. Find the derivative of the revenue function:
The derivative of a function gives us the rate of change of the function. We will find the derivative of the revenue function with respect to ( n ) to find where the revenue function is increasing or decreasing.
Given the revenue function [tex]\( R = 52n - 2n^2 \)[/tex], we'll find its derivative [tex]\( \frac{dR}{dn} \):[/tex]
[tex]\[ \frac{dR}{dn} = \frac{d}{dn}(52n - 2n^2) \][/tex]
[tex]\[ \frac{dR}{dn} = 52 - 4n \][/tex]
2. Set the derivative equal to zero to find critical points:
To find the critical points, we set the derivative equal to zero and solve for ( n ):
[tex]\[ 52 - 4n = 0 \][/tex]
[tex]\[ 4n = 52 \][/tex]
[tex]\[ n = \frac{52}{4} \][/tex]
[tex]\[ n = 13 \][/tex]
3. Determine the nature of the critical point:
To determine if ( n = 13 ) is a maximum or minimum, we use the second derivative test. If the second derivative is negative at the critical point, it's a maximum; if positive, it's a minimum.
Taking the second derivative of ( R ):
[tex]\[ \frac{d^2R}{dn^2} = \frac{d}{dn}(52 - 4n) \][/tex]
[tex]\[ \frac{d^2R}{dn^2} = -4 \][/tex]
Since the second derivative [tex]\( \frac{d^2R}{dn^2} = -4 \) is negative, \( n = 13 \)[/tex] corresponds to a maximum.
4. Verify the endpoints:
Since the domain of ( n ) is not specified, we need to check if the endpoints of the domain have any maximum revenue. In this case, we don't have any specific domain constraints, so we don't need to check the endpoints.
5. Conclusion:
The maximum revenue occurs at [tex]\( n = 13 \).[/tex]
Therefore, the correct answer is option a) 13.
complete question given below:
A tour company has a ticket price that goes down $2 for every additional person who signs up for a group trip. They charge, per person, 52-2n Where n is the number of people that go on the trip. Their total revenue, R, as a function of the number of people who can go in the trip is R=52n-2n^2. How many people Maximize the revenue for the tour company
a.13
b.26
c.39
d.22
Maximized revenue for the tour company occurs with 13 people on the trip, yielding $676.
To maximize revenue, we need to find the maximum point of the revenue function [tex]\( R = 52n - 2n^2 \)[/tex]. We can do this by finding the derivative of the revenue function with respect to n and then setting it equal to zero to find the critical points. Then, we can determine whether these critical points correspond to a maximum or minimum by analyzing the second derivative.
So, let's start by finding the derivative of the revenue function:
[tex]\[ \frac{dR}{dn} = 52 - 4n \][/tex]
Setting this derivative equal to zero and solving for [tex]\( n \):[/tex]
[tex]\[ 52 - 4n = 0 \][/tex]
[tex]\[ 4n = 52 \][/tex]
[tex]\[ n = \frac{52}{4} \][/tex]
[tex]\[ n = 13 \][/tex]
Now, we need to check whether this critical point corresponds to a maximum or a minimum. To do this, we'll take the second derivative of the revenue function:
[tex]\[ \frac{d^2R}{dn^2} = -4 \][/tex]
Since the second derivative is negative, the critical point [tex]\( n = 13 \)[/tex]corresponds to a maximum.
So, the tour company will maximize its revenue when 13 people go on the trip.
Rewrite 27+36 using GCF and the Distributive property
Answer:9(3+4)
Step-by-step explanation:
GCF=9 27/9=3 36/9=4
The GCF will be 9 and the expression using distributive property will be 9 ( 3 + 4 ) .
An expression 27 + 36 is given in the question.
We have to simplify the expression by using distributive property.
What is the distributive property ?
The distributive property is given by ; A ( B+ C) = AB + AC , where A, B and C are three different values.
As per the question ;
the expression is 27 + 36
Here ;
We need to find the GCF in between 27 and 36.
The greatest common factor in 27 and 36 is 9.
∵ According to the distributive property ;
A ( B + C ) = AB + AC
so ;
the expression in distributive property can be written as ;
(9 × 3) + (9 × 4)
that will be equal to ;
9 ( 3 + 4 )
So ;
27 + 36 = (9 × 3) + (9 × 4) = 9 ( 3 + 4 )
Thus , the GCF will be 9 and the expression using distributive property will be 9 ( 3 + 4 ) .
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11. If line a is parallel to line b, solve for x:
(7x + 11)
(10x - 43)
To find the value of x for parallel lines with expressions (7x + 11) and (10x - 43), set them equal and solve the resulting equation, which gives x = 18.
If line a is parallel to line b and we have the expressions (7x + 11) for line a and (10x - 43) for line b, then the corresponding angles formed by these lines and a transversal would be equal. To solve for x, we set the two expressions equal to each other because the slopes of parallel lines are equal. The equation would be 7x + 11 = 10x - 43.
Subtract 7x from both sides: 11 = 3x - 43.Add 43 to both sides: 54 = 3x.Divide both sides by 3: x = 54 / 3.Therefore, x = 18.This is the value of x that makes the two expressions equal, thus confirming the lines are parallel.
You buy t shirts and hoodies to help support the River bluff high school gators.T shirts cost $20 hoodies cost $35 You spent a total $130.Write an equation in standard form to represent this situation
Answer:
$130 - ($20+$35) is the equation
The equation to represent the total amount spent on t-shirts and hoodies at the River Bluff High School store is 20t + 35h = 130, where t is the number of t-shirts and h is the number of hoodies purchased, and they total $130.
To represent the situation in which t-shirts cost $20 each and hoodies cost $35 each, and a total of $130 is spent, we can introduce variables to represent the quantity of t-shirts and hoodies purchased. Let's use t to represent the number of t-shirts and h to represent the number of hoodies. The equation for this situation in standard form, where Ax + By = C, would be:
20t + 35h = 130,
where 20 is the cost of one t-shirt, 35 is the cost of one hoodie, and 130 represents the total amount spent on t-shirts and hoodies combined.
help? i dont understand.
Answer:
90-32 is the answer
Step-by-step explanation:
Because this is a right angle its total angle in degrees is 90 and if it is split in to then m1 and m2 must equal 90 degrees so if m2 is 32 degrees then m1 would be what's left which is 90-32
Portage Park is a perfect square. The length of each side of the park is 200 feet.
Mr. Carter and his wife are standing at the corner of N. Long Avenue and W. Irving Park Rd. They plan to walk diagonally across Portage Park from point C to point A. Which mathematical statement could be used to find the distance they will walk?
The question is a Mathematics problem related to the concept of the Pythagorean Theorem. The solution entails considering the diagonal walk as the hypotenuse in a right triangle, whose sides' lengths are known (200 feet). The Pythagorean theorem is then used to calculate the hypotenuse's length.
Explanation:The subject of this question is mathematics, specifically, the concept of the Pythagorean Theorem in geometry. The park is described as a perfect square, so the diagonal Mr. Carter and his wife plan to walk across can be thought of as the hypotenuse of a right triangle formed by two sides of the square.
Given that each side of the square is 200 feet, the length between points C and A can be calculated using the Pythagorean theorem, which is a² + b² = c². Here, both a and b are the lengths of the sides of the park, which is 200 feet. So the calculation would be: 200² + 200² = c². This simplifies to 40000 + 40000 = c², leading to a total of 80000 = c². To find c, which is the distance they will walk across the park, we take the square root of 80000, which can be rounded down to 283 feet if we use a calculator.
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Mr. Carter and his wife can find the distance they will walk across the park by using the Pythagorean theorem. They substitute the length of the sides of the square (200 feet) into the theorem's formula: sqrt (200^2 + 200^2) to calculate the distance.
Explanation:The subject of this question is Mathematics, and it pertains to the topic of geometry, specifically the Pythagorean theorem. We are given a perfect square (Portage Park) with sides of 200 feet, and we want to find the distance from one corner (point C) to the diagonally opposite corner (point A). This distance forms the hypotenuse of a right triangle, where the sides of the square become the two legs of the triangle.
The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b). So the distance Mr. Carter and his wife will walk (d) can be described with the equation: d = sqrt (a^2 + b^2).
Since Portage Park is a perfect square, both a and b are 200 feet. You can substitute 200 for both a and b in the equation to find d: d = sqrt (200^2 + 200^2).
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