A restaurant uses 4 pounds of potatoes for a party of 12 people. If they are cooking potatoes for a party of 60 people, what should they do?

Answers

Answer 1
60/12=5
5·4=20
They should use 20 pounds of potatoes
Hope this helps

Answer 2
they should use 20 potatoes because if they are adding five times more people than they need to times the potatoes too.

Related Questions

What is cultural imperialism?
the impact of a nation’s culture on its trade policies
the imposition of a foreign culture on a nation’s population
the impact of culture on people’s buying and spending habits
the spread of foreign culture through immigrants from various nations

Answers

First of all, this would be history, not mathematics. But, the answer that I know is "The imposition of a foreign viewpoint or civilization on a people."

Answer:

The correct answer is : B) the imposition of a foreign culture on a nation's population.

Step-by-step explanation:

Cultural imperialism shows the cultural aspects of imperialism that is a culture being imposed on other countries.

And imperialism can be defined as maintaining the unequal relationships between civilizations.

So, the correct answer is : B) the imposition of a foreign culture on a nation's population.

According to modern​ science, Earth is about 4.5 billion years old and written human history extends back about​ 10,000 years. Suppose the entire history of Earth is represented with a 100-meter-long ​timeline, with the birth of Earth on one end and today at the other end. a. What distance represents 11 billion​ years? b. How far from the end of the timeline does written human history​ begin?

Answers

I believe the answer to A. is 244.44 meters long.  100 meters equals earth's timeline of 4.5 billion.  11 divided by 4.5 billion equals 2.4444.  Multiply by 100 for the meters and you get 244.44 meters.

Answer:

A- The distance that represents 11 billion years is 244.4 meters.

B- Written human history begins 0.2 milimeters far from the end of the timeline.

Step-by-step explanation:

A- We can solve this problem by using crossed multiplication.

4,5 billion years --- 100 meters

11 billion years --- X

11 x 100 / 4,5 = X

X= 244.4

B- Once again, this can be solved using crossed multiplication.

If 4,500,000,000 years are represented in 100 meters, that would be:

4,500,000,000 --- 100 meters

10,000 --- X

10,000 x 100 / 4,500,000,000 = X

X= 0.0002 meters

0.0002 meters are 0.2 milimeters

WILL GIVE BRAINEST
These tables of value represent continuous functions. In which table do the values represent an exponential function?

Answers

i think the answer is b bcause is square two

Answer:

The correct option is B.

Step-by-step explanation:

In table A, the function has constant rate of change. For each value of x, the value of y increased by 8.

Since the rate of change of a linear function is constant, therefore table A represents a linear function.

In table B, for each value of x, the value of y is twice of its previous value. In other words we can say that the value of y increases in the same proportion.

[tex]\frac{y_2}{y_1}=\frac{8}{2}=2[/tex]

[tex]\frac{y_3}{y_2}=\frac{16}{8}=2[/tex]

[tex]\frac{y_4}{y_3}=\frac{32}{16}=2[/tex]

[tex]\frac{y_5}{y_4}=\frac{64}{32}=2[/tex]

Therefore it is an exponential function with growth factor 2.

[tex]f(x)=a(2)^x[/tex]

The function passing through the point (1,4).

[tex]4=a(2)^1[/tex]

[tex]2=a[/tex]

The exponential function is

[tex]f(x)=2(2)^x[/tex]

Thus, option B is correct.

In table C, the function has constant rate of change. For each value of x, the value of y increased by 5.

Since the rate of change of a linear function is constant, therefore table C represents a linear function.

In table D, the function has constant rate of change. For each value of x, the value of y increased by 1.

Since the rate of change of a linear function is constant, therefore table D represents a linear function.

Planet Strusenope travels one full rotation around its sun in approximately 365.25 days. How many minutes does it take for Strusenope to travel one full rotation around the sun?

Answers

One revolution takes 365.25 days.

The time is equal to
[tex](365.25 \, days)*(1440 \, \frac{min}{day} ) = 525960 \, min[/tex]

Answer: 525,960 minutes 
525960 min Assuming that the unit "days" matches the length of an Earth day, the answer is expressed as: 365.25 day * 24 hour/day = 8766 hour And now multiply by 60 to get the minutes. 8766 hour * 60 min/hour = 525960 min Therefore it takes "Planet Strusenope" 525960 minutes for one full rotation around the sun.

Find the quotient 5/18 divided by 2/6

Answers

5/18 diveded by 2/6 is 5/18*6/2 then its 5/18 * 3 which gives 15/18 or 5/6 
Final answer:

To divide fractions, multiply the first fraction by the reciprocal of the second fraction and simplify if possible.

Explanation:

To divide fractions, we need to multiply the first fraction by the reciprocal of the second fraction. The reciprocal of a fraction is found by switching the numerator and denominator. So, to divide 5/18 by 2/6, we will multiply 5/18 by 6/2.

First, we cancel out any common factors between the numerators and denominators:

5/18 * 6/2 = (5 * 6)/(18 * 2) = 30/36.

Now, we can simplify 30/36 by finding the greatest common divisor (GCD) of 30 and 36, which is 6.

Dividing both the numerator and denominator of 30/36 by 6, we get the final quotient of 5/6.

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Paula completely covered a square wall using 87.5 ft2. Which is the side length of the wall?

Answers

9.354 ft is the answer. Here are the steps:

Area is 87.5 ft^2.

Take the square root of 87.5; each wall side is going to be the same length since it's a square. Since each side is the same length, it means one wall x another wall will give you the area.

This is the answer you get: 9.35414346693.

Round the number to make it look a little prettier: 9.354.

When you multiply 9.354 x 9.354, you get 87.497316.

Round the number again to make it look a little prettier: 87.5

Hope this helps. :)

Geometry.

What is the equation of the circle with the given graph?

A) (x - 3)² + (y + 2)² = 3
B) (x + 3)² + (y - 2)² = 9
C) (x - 3)² + (y + 2)² = 9
D) (x +3)² + (y - 2)² = 3

Answers

The equation of a circle with center (h, k) and radius r is

[tex] (x - h)^{2} + (y - k)^{2} = r^{2} [/tex]

In this case, the center of the circle is (-3, 2), and the radius is 3.
You have h = -3, k = 2, r = 3

[tex] (x- (-3))^{2} + (y - 2)^{2} = 3^{2} [/tex]

Simplifying, you get

[tex] (x + 3)^{2} + (y - 2)^{2} = 9 [/tex]

What is the value of 4 in the number 358.547? please help!!!!!
A) 0.0004
B) 0.004
C) 0.04
D) 4

Which choice solves the problem?
1467÷7=
A) 27
B) 29 with a remainder of 4
C) 207 with a remainder of 4
D) 209 with a remainder of 4

Bailey’s horse is growing fast. She ate 2 scoops of feed in the morning, 4 scoops in the afternoon and 3 scoops at night. She did this all week long. How many scoops of feed did Bailey’s horse eat over the course of the week?
A) 2 x 3 x 4
B) 2 x (3 + 4)
C) 2 + 3 + 4 + 7
D) (2 + 3 + 4) x 7

Answers

Number 1 I think is C
Number 2 is D (you can just do that on the calculator)
Number 3 is D because you would add the number of scoops he ate in one day and multiply by 7 since there are 7 days in a week
number 1:c
number 2:d
number 3:d


Katie earned $1200 in 8 years on an investment at a 6% annual simple interest rate. How much was Katie’s investment?
$945
$2500
$4500
$9000

Answers

Given
Time = 8 yer a
Rate = 6% = 0.06
Interest earned = $1200
Simple Interest

Let P = the principal (the investment)
Then
P*8*0.06 = 1200
0.48P = 1200
P = 1200/0.48 = $2500

Answer: $2500

How many ways can a person with five ​nickels, three​ dimes, and two quarters make a 75-cent purchase from the​ machine?

Answers

2 quarters, 2 dimes, and 1 nickel

Which of the following are valid names for the given triangle below? Check all that apply.

Answers

Answer:

Triangle LMZ

Triangle MLZ

Triangle ZML

Step-by-step explanation:

Option A,B and E are all the valid names.

The valid names of the triangle are those that has all the angles withing. The angles are Angle l, M and Z.

C and D are not angles, so any triangle cannot be formed using these.

Hence, the valid triangles here are:

Triangle LMZ

Triangle MLZ

Triangle ZML

Answer:

LMZ,ZML,MLZ

Step-by-step explanation:

Use counters to find the quotient and remainder for 36 divide a by 8

Answers

First, you take 36 counters and spread them out. You then separate them into groups of 8 and any left that cannot be separated into groups of 8 are the remainders. When you do this, you will find that you are able to separate 36 into 4 groups of eight, and you will get a remainder of 4, so your answer is 4 remainder 4

In the diagram, what is the value of x

Answers

The answer is C. You might want to check it though by doing 180-82, but I am 99% sure it is C.

The sum of angles on a straight line is 180degrees. The measure of the value of x from the figure is 98degrees

Sum of angle on a straight line

The measure of angles 82 degrees and the unknown are on a straight line, Since the sum of angles on a straight line is 180degrees, hence;

x + 82 = 180

Subtract 82 from both sides

x + 82 - 82 = 180 - 82
x = 180 - 82

x = 98 degres

Hence the measure of the value of x from the figure is 98degrees

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solve for g: 4gh+3=-8

Answers

Final answer:

To solve for g in the equation 4gh+3=-8 with H=-1, we substitute H and solve for g, resulting in g=11/4.

Explanation:

The question asks to solve for g in the equation 4gh + 3 = -8. To do this, we need to isolate g on one side of the equation. Given that H = -1, we can substitute this value into the equation, which simplifies to 4g(-1) + 3 = -8. This further simplifies to -4g + 3 = -8. Solving for g, we subtract 3 from both sides to get -4g = -11, and then divide both sides by -4 to get g = 11/4. Therefore, the solution is g = 11/4.

Write v as a linear combination of u and w, if possible, where u = (2, 2) and
w = (2, −3).
(Enter your answer in terms of u and w. If not possible, enter IMPOSSIBLE.)
v = (4, −1)

Answers

Final answer:

The vector v = (4, -1) can be written as a linear combination of the vectors u = (2, 2) and w = (2, -3). The coefficients are both 1, which means that v = u + w.

Explanation:

In this problem, we are trying to express the vector v = (4, -1) as a linear combination of the vectors u = (2, 2) and w = (2, -3). A linear combination means that we want to find coefficients a and b such that a*u + b*w = v.

Setting that equation up, we have:
a(2, 2) + b(2, -3) = (4, -1).
This leads to two equations:
2a + 2b = 4 and 2a - 3b = -1.

After solving this system of equations, we find that a = 1 and b = 1. Therefore, the vector v can be written as a linear combination of u and w as v = u + w.

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V can be written as v=u+w.

To express v as a linear combination of u and w, we need to find scalars a and b such that:

v = a * u + b * w

Given: u = (2, 2), w = (2, -3), and v = (4, -1)

We can set up the following system of equations based on the components:

2a + 2b = 4 (Equation 1 from x-components)

2a - 3b = -1 (Equation 2 from y-components)

Solving Equation 1 for 'a':

2a + 2b = 4

a + b = 2

a = 2 - b

Substituting 'a' in Equation 2:

2(2 - b) - 3b = -1

4 - 2b - 3b = -1

4 - 5b = -1

-5b = -5

b = 1

Substituting 'b' back into a = 2 - b:

a = 2 - 1

a = 1

Thus, v can be written as:

v = 1 * u + 1 * w

So, v = u + w

Miranda buys 6 pounds of nuts. if she puts 3/4 pound in each bag, how many bags can she make?

Answers

Let B = bags that can be made

B = 6 ÷ 3/4

B = 6 • 4/3

B = 24/3

B = 8

Answer:

Number of bags Miranda makes equals:

8

Step-by-step explanation:

Miranda buys 6 pounds of nuts.

She puts 3/4 pound in each bag

Let she makes x bags

then total nuts in x bags=[tex]\dfrac{3}{4}x[/tex]

also total nuts must be equal to 6

i.e. [tex]\dfrac{3}{4}x=6[/tex]

Multiplying both sides by 4, we get

3x=24

Dividing both sides by 3, we get

x=8

Hence, number of bags Miranda makes equals:

8

When the consumer price index decreases from 200 to 150, prices decrease by 50%.

A. True
B. False

Answers

Answer:

Apex answer: FALSE

Step-by-step explanation:


Final answer:

The consumer price index decreasing from 200 to 150 represents a 25% decrease, not 50% as incorrectly stated.

Explanation:

The statement that prices decrease by 50% when the consumer price index (CPI) decreases from 200 to 150 is false. To calculate the percentage decrease in CPI, we use the formula for percentage change: ((new value - original value) / original value) × 100. In this case, ((150 - 200) / 200) × 100 = (-50 / 200) × 100 = -25%. This shows that there is a 25% decrease in the CPI, not 50%.

The correct calculation reveals that the decrease in the Consumer Price Index (CPI) is 25%, not 50%.

Understanding the accurate interpretation of percentage changes is crucial for assessing economic indicators and making informed decisions.

What is the slope of a line that is parallel to the line shown on the graph?
A.–3
B.-1/3
C.1/3
D. 3

Answers

If we count from the point (0, 2), where the line goes through the y-axis, to the point where it goes through (1, -1) we are moving down 3 units (from 2 to -1 is 3 units) and over to the right 1 unit.  So the slope of this line is -3.  Negative slopes always go from upper left to lower right, whereas positive slopes always go from lower left to upper right.  So we know this is a negative slope.  Parallel lines by definition have the exact same slope, so a line parallel to this one will also have a slope of -3.

The slope of a line that is parallel to the line shown on the graph is -3.

What is slope of a line?

The slope or gradient of a line is a number that describes both the direction X and Y and the steepness of the line. It is the ratio of the vertical change to the horizontal change between any two distinct points on a line.

For the given situation,

The slope of a line from its graph by looking at the rise and run.

The vertical change between two points is called the rise, and the horizontal change is called the run.

One characteristic of a line is that its slope is constant all the way along it. So, you can choose any 2 points along the graph of the line to figure out the slope.

Now take points (0,2) and (1,-1)

[tex]Slope = \frac{rise}{run}[/tex]

Line slants down from left to right. So line has a negative slope.

⇒ [tex]Slope =\frac{y2-y1}{x2-x1}[/tex]

⇒ [tex]Slope =\frac{-1-2}{1-0}[/tex]

⇒ [tex]Slope = -3[/tex]  

The slope of the line that is parallel to the given line is same as that of the line.

Hence we can conclude that the slope of a line that is parallel to the line shown on the graph is -3.

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A rocket on a computer screen has a path modeled by the equation h=-t2+3t+10 where t is time in seconds and h is the height above a platform and is in computer units. Find how long the rocket takes to reach the platform.

Answers

t=3+−4h+492,3−−4h+492t=\frac{3+\sqrt{-4h+49}}{2},\frac{3-\sqrt{-4h+49}}{2}t=​2​​3+√​−4h+49​​​​​,​2​​3−√​−4h+49​​​​​​​​​​

Alex has 48 stickers. This is 6 times the number of stickers max has. How many many stickers does max have?

Answers

So you do 48 divided by 6 and that gives you 8
48÷6=8
48 divided by 6 is 8.
You can check yourself to make sure you're correct by multiplying 6•8 which equals 48.

Identify the slope and y-intercept of the graph of the equation. y = 1/4x + 3
A slope: 1/4 ; y-intercept: 3
B slope: 1/4; y-intercept: –3
C slope: 4; y-intercept: 3
D slope: 4 ; y-intercept: –3

Answers

Ooo. 
Fun. 

So the equation: y = 1/4x = 3 is in slope-intercept form where, y = mx + b.
'm' is the slope and 'b' is the y-intercept. 

Knowing this, we can easily conclude that Choice A is the correct answer. 

Why?

Well, just look below.
y=1/4x + 3
y = mx + b

We simply match up the values with the slope-intercept formula and see that 3 falls under the y-intercept category, and m, which always equals slope is replaced by 1/4.

Thus, A is the correct choice.

Final answer:

The slope of the equation y = 1/4x + 3 is 1/4 and the y-intercept is 3, corresponding to option A: slope: 1/4 ; y-intercept: 3.

Explanation:

To identify the slope and y-intercept of the equation y = 1/4x + 3, we can compare it to the general form of the slope-intercept equation for a line, which is y = mx + b. In this form, m represents the slope of the line, and b represents the y-intercept of the line. Thus, looking at the given equation, the coefficient of x (which is 1/4) is the slope, and the constant term (which is 3) is the y-intercept.

The correct answer is:

Slope: 1/4Y-intercept: 3

Therefore, the answer is option A: slope: 1/4 ; y-intercept: 3

When using a multiplicative power function (y = a x1b1 x2b2 x3b3) to represent an economic relationship, estimates of the parameters (a, and the b's) using linear regression analysis can be obtained by first applying a ____ transformation to convert the function to a linear relationship?

Answers

When using a multiplicative power function (y = a x1b1 x2b2 x3b3) to represent an economic relationship, estimates of the parameters (a, and the b's) using linear regression analysis can be obtained by first applying a double-logarithmic transformation to convert the function to a linear relationship.

Banks and other financial institutions sometimes calculate simple interest based on

Answers

No simple interest, only compound interest.

The container that holds the water for the football team is 1/3 full. After pouring out 6 gallons of water it is 1/9 full. How many gallons can the container hold?

Answers

Final answer:

The container cannot hold a specific number of gallons.

Explanation:

To solve this problem, we can use a proportion. Let's assume that the number of gallons the container can hold is According to the problem, the container is initially 1/3 full, so we can write this as 1/3 of  After pouring out 6 gallons of water, it becomes 1/9 full, which we can write as 1/9 of  Setting up the proportion, we have:

1/3 of  = 1/9 of

To solve for  we can cross multiply:

9 * (1/3) *  = 1 * (1/9) *

Canceling out the variables and multiplying, we have:

3= /9

Multiplying both sides by 9, we get:

27=

Dividing both sides by , we have:

27 = 1

Since the equation is not true, we have a contradiction. This means there is no solution, or the container cannot hold a specific number of gallons.

Final answer:

The total capacity of the football team's water container is 27 gallons. We determine this by comparing the change in water level from being 1/3 full to 1/9 full after removing 6 gallons and calculating proportionally.

Explanation:

To solve the problem regarding the water container for the football team, we need to find out the total capacity of the container. When 6 gallons of water is poured out, it results in the container being 1/9 full rather than 1/3, which means the removal of 6 gallons of water equates to 1/3 - 1/9 of the container's capacity.

First, let's find the common denominator for 1/3 and 1/9 which is 9. So the difference in the water level when the 6 gallons were removed is (3/9 - 1/9) or 2/9 of the container's capacity. This tells us that 2/9 of the container's capacity is equal to 6 gallons.

Step-by-Step Calculation

Set up the proportion: 2/9 = 6 gallons.

To find the full capacity, we solve for 9/9 (which is the whole): (9/9) / (2/9) = X / 6 gallons.

Cross multiply to solve for X: 2X = 54.

Divide both sides by 2: X = 27.

Therefore, the total capacity of the water container is 27 gallons.

What is the slope, m, and the y-intercept of the line that is graphed below?

Answers

m=1; (0,3) As the line passes through (0,3) so the y intercept is 3 and the slope is rise/run . Lets take two points (1,4)and (0,3) 3-4/0-1= -1/-1= 1.

m=1 ; y intercept is (0,3)

Answer:  The correct option is

(A) m = 1; (0, 3).

Step-by-step explanation:  We are given to find the slope, m, and the y-intercept of the graphed line.

We know that

the slope of a line passing through the points (a, b) and (c, d) is given by

[tex]m=\dfrac{d-b}{c-a}.[/tex]

From the graph, we note that the line passes through the points (-3, 0) and (-1, 2).

Therefore, the slope of the graphed line will be

[tex]m=\dfrac{2-0}{-1-(3)}=\dfrac{2}{2}=1.[/tex]

Also, at x = 0, the value of the y-coordinate is 3. So, the y-intercept of the line is (0, 3).

Thus, the slope, m = 1  and the y-intercept is (0, 3).

Option (A) is CORRECT.

Cheryl Falkowski has a collection of silver spoons from all over the world. She finds that she can arrange her spoons in sets of 7 with 1 left​ over, sets of 8 with 7 left​ over, or sets of 15 with 3 left over. If Cheryl has fewer than 200​ spoons, how many are​ there?

Answers

since she can arrange it in sets
let N=total number of spoons so
N mod7 1 ---->7a+1=n where a is a natural num
N mod 8 7---->8b+7=n where b is a natural num
N mod 15 3----->15c+3=n where c is a natural n
for the first set {8,15,22,29,36,43,50,57,65,71....}
for the second set {15,23,31,39,47,55,63,71,79..}
for the third set {18,33,48,63,78,....}
and find them manually but what is easier is to solve them using algebra and logic (college level)
N=840m+183 where m is zero or a postive integer
so the only N below 200 is 183
let us check
183/7=26 R 1
183/8=22 R 7
183/15=12 R 3
which means our soultion is correct

63 satisfies all three congruences and is less than 200, Cheryl has 63 silver spoons.

The number of spoons Cheryl has can be represented by the following system of congruences:

1. [tex]\( n \equiv 1 \mod 7 \)[/tex]

2. [tex]\( n \equiv 7 \mod 8 \)[/tex]

3. [tex]\( n \equiv 3 \mod 15 \)[/tex]

Additionally, we know that [tex]\( n < 200 \).[/tex]

To solve this system, we can start by examining each congruence:

1. For the first congruence, [tex]\( n \equiv 1 \mod 7 \)[/tex], the possible values of ( n ) are [tex]\( 1, 8, 15, 22, \ldots \)[/tex]

2. For the second congruence, [tex]\( n \equiv 7 \mod 8 \)[/tex], the possible values of ( n ) are [tex]\( 7, 15, 23, 31, \ldots \)[/tex]

3. For the third congruence, [tex]\( n \equiv 3 \mod 15 \)[/tex], the possible values of ( n ) are [tex]\( 3, 18, 33, 48, \ldots \)[/tex]

Now, we need to find a number ( n ) that satisfies all three congruences and is less than 200.

[tex]\( 63 \equiv 1 \mod 7 \)[/tex] (satisfies the first congruence)

[tex]\( 63 \equiv 7 \mod 8 \)[/tex] (satisfies the second congruence)

Since 63 satisfies all three congruences and is less than 200, Cheryl has 63 silver spoons.

Therefore, the final answer is [tex]\(\boxed{63}\).[/tex]"

Amy runs 6 miles in 45 minutes. At the same rate, how many minutes would she take to run 4 miles?

Answers

That would be (4/6) of 45 minutes, or 180/6 minutes, or 30 minutes.




You could also find her rate:  6 miles / 45 minutes, or 8 miles / 60 minutes.

Write an equation of ratios:  

8 mi            4 mi
---------- = ------------
60 min            x

Solving for x:  8x = 240; x = 30 minutes

Alisa hopes to play beach volleyball in the olympics someday. She has convinced her parents to allow her to set up a beach volleyball court in their backyard. A standard volleyball court is 26 feet by 52 feet. She figures she will need the sand to be one foot deep.

Sand a is 60 lbs for $5
Sand b is 150 lbs for $12

A. What's is the rate brand a is selling for? Give rate and then specify the unit rate.

B.Which brand is offering the better value? Explain.

Answers

In each case, divide the cost by the weight to find the cost per pound.
The unit rate is dollars per pound.

Sand a: $5/(60 lb) = 0.08333 $/lb
Sand b: $12/(150 lb) = 0.08 $/lb

A. Sand a is 0.08333 $/lb

B. Sand b is $0.08 $/lb

Sand b has a lower unit rate.
Sand b is is the better value.
If you buy the same amount of sand a and sand b, you will spend less money per pound of sand by buying sand b.
Final answer:

Brand A is selling the sand at a rate of $0.0833 per pound, which is a slightly better value compared to brand B's rate of $0.08 per pound.

Explanation:

A. To find the rate at which brand A is selling the sand, we need to calculate the cost per pound. The rate for brand A is $5 for 60 lbs. To find the unit rate, we divide the cost by the amount, which gives us $5 / 60 lbs = $0.0833 per lb.

B. To determine which brand is offering the better value, we compare the unit rates. Brand A has a unit rate of $0.0833 per lb, while brand B has a unit rate of $12 / 150 lbs = $0.08 per lb.

Therefore, brand A is offering a slightly better value since it has a lower unit rate.

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estimate the answer to: 3772 divided by 44

Answers

85.7272727273 is the answer


269.4 to the nearest tenth

Let k(t) be a measure of the knowledge you gain by studying for a test for t hours. which do you think is larger, k(8) − k(7) or k(3) − k(2)

Answers

To determine which is larger between  k(8) - k(7)  and  k(3) - k(2) , compare the specific values. If the graph of  k(t)  is concave upward, studying more hours yields a larger knowledge increase.

To determine which is larger between  k(8) - k(7)  and  k(3) - k(2) , and to understand the concavity of the graph of  k(t) , consider the following:

1. Larger Increase in Knowledge:

  - Evaluate  k(8) - k(7)  and  k(3) - k(2) .

  - If  k(8) - k(7)  is greater, it implies that studying for an additional hour (from 7 to 8 hours) provides a larger increase in knowledge than studying for an hour from 2 to 3 hours.

2. Concavity of the Graph:

  - If  k''(t) > 0  (second derivative is positive), the graph is concave upward.

  - If  k''(t) < 0  (second derivative is negative), the graph is concave downward.

3. Reasoning for Concavity:

  - If the graph is concave upward, it suggests that the rate of knowledge gain is increasing. Studying more hours leads to a larger increase in knowledge.

4. Final Answer:

  - The comparison between  k(8) - k(7)  and  k(3) - k(2)  depends on the specific function  k(t) . As for concavity, if the graph is concave upward, studying more hours yields a larger increase in knowledge.

In summary, compare the specific values  k(8) - k(7)  and  k(3) - k(2)  and analyze the concavity of the graph to determine the relationship between studying hours and knowledge gain.

Question. Let k(t) be a measure of the knowledge you gain by studying for a test for t hours, . Which do u think is larger, k(8)-k(7) or k(3) - k(2) ? is the graph of k concave upward or concave downward? why?

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