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Answer:

28 square units

Step-by-step explanation:

Answer:

The answer is 73,987 :)

Here is a typed out explanation.

Answer: 40

Step-by-step explanation: When you're asked to solve for x in an equation, what you're really being asked to do is get x by itself on one side of the equation.

In this problem since 10 is being added to x, in order to get x by itself, we must subtract 10 from the left side of the equation and when we subtract 10 from the left side of the equation, remember that we must also subtract 10 from the right side of the equation.

So on the left, 10 - 10 cancels out and

on the right, 50 - 10 simplifies to 40.

So x = 40.

Answer:

x = 40

Step-by-step explanation:

To solve for x, we must get it by itself. To do this, we have to subtract 10 from the left and right side of the equation.

Equation: x + 10 - (10) = 50 - (10)

This will cancel out the 10 on the left side (as 10 - 10 = 0) of the equation and leave you with the answer, x = 40.

Step-by-step explanation:

3x-4<-19

+4. +4

3X<-15

Divide by 3

X<-5

....

Answer:

The mean amount of money relatives gave Timothy was $27.

Step-by-step explanation:

The mean means the average of a set of numbers.

1)  Add 15, 50, 25, and 18 together, which equals $108

3) Divide 108 by 4 (because there are 4 numbers) and you get 27

(hope this helps :)

The Frequency table is shown below and the first Histogram is correct Histogram.

A frequency table is just a two-column "t-chart" or table that lists all of the potential outcomes and their corresponding frequencies as seen in a sample.

We have the data:

Ages of riders: 42, 14, 19, 30, 49, 48, 16, 24, 38, 53, 24, 15, 18, 20, 25, 11, 18, 49, 54, 20, 17, 26, 37, 15, 28.

So, the Frequency table is

Interval            Frequency

10−19                   9

20−29                 7

30−39                 3

40−49                 4

50−59                 2

and, the first Histogram is correct.

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The completed frequency table is shown below.

The correct histogram of the data is: A. histogram A.

In Mathematics and Statistics, a frequency table can be used for the graphical representation of the frequencies or relative frequencies that are associated with a categorical variable or data set.

In a frequency distribution table, all classes must have the same class width. In this context, we would develop a grouped frequency table by using a class width of 10 as follows;

Interval            Frequency

10 − 19                   9

20 − 29                 7

30 − 39                 3

40 − 49                 4

50 − 59                 2

In conclusion, we can logically deduce that only histogram A correctly represents the ages of the people who ride the new roller coaster during a fifteen-minute period.

Answer:

Step-by-step explanation:

Volume  = 400 cubic inches

Area of base = length*breadth

length * breadth * height = 400

Area of the base * height = 400

Area of the base * 5 = 400

Area of the base = 400/5

Area of the base = 80 square inches

Answer:

y = 2x - 6

Step-by-step explanation:

6x = y +18

2x - y = 6

-2x. -2x

-1(-y)= -1 (-2x +6)

y = 2x -6

Answer:

y=2x-6

Step-by-step explanation:

Answer:

3(7)(4) c

Step-by-step explanaiton:

4(7)(3) d

12(7) e

Answer:

when evaluating a power with a negative base, the solution is positive or negative depending on whether the exponent is odd or even. if odd, the value will be negative. if even, the value will be positive.

Step-by-step explanation:

Answer:

On edge

My response: If the base is negative and you are trying to find out weather the value of the power(Answer) will be negative or positive all you have to look at is the exponent. If the exponent is even the answer will be positive. If the exponent is odd then the answer will be negative.

Sample Response: When evaluating a power with a negative base, the solution is positive or negative depending on whether the exponent is odd or even. If odd, the value will be negative. If even, the value will be positive.

Answer:

a primit 36 ​​corect ane 4 în mod greșit

Step-by-step explanation:

În această întrebare, ne preocupăm să calculăm numărul de răspunsuri corecte și de răspunsuri greșite pe care elevul le-a dat.

În primul rând, începem prin atribuirea de variabile.

Numărul de răspunsuri corecte să fie x în timp ce numărul de răspunsuri greșite să fie y

Deoarece există 40 de probleme în total, aceasta înseamnă că adăugarea ambelor este egală cu 40 matematic,

x + y = 40. ••• (i)

Acum să trecem la partea complicată. Fiecare răspuns corect = +7. Răspunsul corect total este astfel + 7x Fiecare răspuns greșit este = -5. Răspunsul total greșit este astfel -5y Punct total marcat = 232 Aceasta

înseamnă că; 7x -5y = 232 ••••••••• (ii)

De la i, putem spune y = 40 -x să punem acest lucru în ecuație

ii 7x -5 (40-x) = 232

7x - 200 + 5x = 232

12x = 232 + 200 12x = 432 x = 432/12 x = 36 Deoarece y = 40 - x y = 40 - 36 y = 4

Answer:

The answer is 3.

Step-by-step explanation:

-3/4 divided by 2/-8

take the reciprocal of 2/-8

which is -8/2 then divide

[tex]\frac{-3}{4}[/tex]  ÷ [tex]\frac{-8}{2}[/tex]

= 3

-3/4 ÷ 2/-8

I believe the answer is 2..

Answer :

The surface area will increase by 9

Step-by-step explanation :

This problem bothers on the mensuration of solid shapes, a cylinder

Step one

We know that the surface area of a cylinder is given as

A= 2πrh + 2πr²

A= 2π(rh + r²)

Since the radius and the height is tripled r=3r, h= 3h

A= 2π(3r*3h + (3r)²)

A= 2π(9rh + 9r²)

Factoring 9 out we have

A= 9*2π(rh + r²)

Hence the surface area will increase by 9

Answer:

It has exactly four faces that are triangles.

It has 4 vertices.

It has 6 edges.

Step-by-step explanation:

A triangular pyramid is also termed as a tetrahedron.

The properties of a triangular pyramid include:

Among the four faces, any one of them can be considered to be the base of the pyramid.

The faces are of equal shape and size.

The edges have the same length.

The triangles are equilateral.

Answer: in short, C, D, And F

Step-by-step explanation:

Answer:

okay I guess the answer is 120 square units

Answer:

Yards.

Step-by-step explanation

3 feet=1 yard

Answer:

Y=total cost of purchasing the pencils

Step-by-step explanation:

Y=3.5x+2.99

Where,

Y=total cost of purchasing the pencils

3.5=price of each pencil

X= number of pencils bought

2.99= shipping cost

For instance, if you order for 5 pencils on Amazon, the total cost of purchasing it is

Y=$3.50(5)+$2.99

Y=$17.50+$2.99

Y=$20.49

Final answer:

Two pumps working together will fill a tank in 12/7 hours, calculated by adding their rates of filling the tank and taking the inverse of the sum.

Explanation:

When two pumps are used together to fill a tank, the time it takes can be found by adding their rates of work and then finding the inverse of the sum. The first pump can fill the tank in 4 hours, which means its rate is 1/4 of the tank per hour. The second pump can fill the same tank in 3 hours, implying a rate of 1/3 of the tank per hour. When both pumps work together, their combined rate is (1/4 + 1/3) = (3/12 + 4/12) = 7/12 of the tank per hour.

To find the time taken to fill the tank jointly, we take the inverse of the combined rate: 1 / (7/12), which equals 12/7 hours. Therefore, using both pumps together, it will take 12/7 hours to fill the tank.

Answer:

49

Step-by-step explanation:

You need to find the median,which is 30, then you figure out the innerquartile.....which is 9....then find out the outerquartile...58......then you find out the range of both of them....58 - 9 = 49

Plz correct me if I'm wrong

Answer:

C

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

8^2 + 15^2 = 17^2

(64 + 225 = 289)

Answer:

Step-by-step explanation:

hello : here is an solution :

Answer:

282.4 in 3

Step-by-step explanation:

Answer:

282.4

Step-by-step explanation:

Answer:

The toy's maximum height is [tex]10.12\ \text{feet}[/tex].

Step-by-step explanation:

The equation that models the toy's height in feet from the ground at t seconds after  he threw it is given by :

[tex]h = -2t^2 + 7t + 4[/tex] .....(1)

It is required to find the toy's maximum height. For maxima or minima, put

[tex]\dfrac{dh}{dt}=0[/tex]

Plugging the value of t in above equation,

[tex]\dfrac{d(-2t^2 + 7t + 4)}{dt}=0\\\\-4t+7=0\\\\t=\dfrac{7}{4}\\\\t=1.75\ s[/tex]

Now put t = 1.75 s in equation (1) such that,

[tex]h = -2(1.75)^2 + 7(1.75) + 4\\\\h=10.12\ \text{feet}[/tex]

So, the toy's maximum height is [tex]10.12\ \text{feet}[/tex].

The toy's maximum height is 10.12 feet.

Since the nephew is standing on his deck, which is 4 feet off the ground. He tosses his toy up into the air at an initial velocity of 7 feet per second. The equation is [tex]h = -2t^2 + 7+ 4[/tex]

So first we have to determine the t i.e.

[tex]d(-2t^2 + 7 +4) \div dt = 0\\\\-4t + 7 = 0\\\\ t = 7\div 4[/tex]

t = 1.75 s

Now

the height should be

[tex]= -2(1.75)^2 + 7(1.25)+ 4[/tex]

= 10.12 feet.

hence, The toy's maximum height is 10.12 feet.

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Answer:

(x,y) = (3, 1/2)

Step-by-step explanation:

This pair of linear equations may be solved simultaneously by using the elimination method. This will involve ensuring that the coefficient of one of the unknown variables is the same in both equations..

To solve this, add the equations;

x + 2x + 2y - 2y = 4 + 5

3x = 9

x = 3

substitute the value of x into the first equation,

3 + 2y = 4

2y = 4 -3

2y = 1

y = 1/2

Answer: Its B

Step-by-step explanation:

Answer:

11y = 15

Step-by-step explanation:

12y - y - 15 = 0

11y - 15 = 0

11y = 15