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3 years ago

The number of boxes of cookies you buy or the amount the cookies will cost in dollars which one is independent vairable

Mathematics

1 answer:

qwelly [4]3 years ago

5 0

Answer:

Step-by-step explanation:

When you go shopping for anything, you know that the more of that something you buy, the more money you are going to spend. In other words, the amount of money you spend depends directly upon the amount of stuff you buy. So the number of boxes of cookies you buy is the independent variable and the amount of money you spend on the cookies is the dependent variable.

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Find 4x when 3x equals 3

MatroZZZ [7]

Answer:

Step-by-step explanation:

If 3x = 3, then x = 1, so 4x = 1(4) = 4

8 0

3 years ago

10 students were randomly sampled and asked their shoe size. Which line plot displays the data for this sample? THANKS!!

WARRIOR [948]

From the sizes give,
there are:
3 - 9's
3 - 8's
1 - 7
2 -10's
1-11

the second graph has the right amount of x's for the given shoe sizes

5 0

3 years ago

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The sum of y2 and 5y2

marta [7]

The answer is 6y^2 to your question

3 0

3 years ago

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Solve the System of Equations

Softa [21]

Answer:

The ordered pair value of (x, y) is (6,-11)

Solution:

Given Equations are

Let 8x + 15y = -117 be Equation 1 and 4x + 9y=-75 be Equation 2.

Solving Equations 1 and 2 to get the value of x and y.

Multiply Equation 2 with 4.

16x + 36y = -300

On dividing the above expression by 2, we get

8x + 18y = -150 (Change the sign to get the value of y).

-8x - 18y = 150 --- eqn 3

Now solving eqn 1 and eqn 3

8x + 15y = -117

-8x - 18y = 150

By cancelling 8x and -8x in eqn 1 and eqn 3

-3y = 33

y = -11

Substitute the value y in Equation 2.

4x + 9 (-11) = -75

4x – 99 = - 75

4x= -75 +99

4x = 24

x=6

Hence the value of x and y is (6,-11).

3 0

3 years ago

A company produces metal slabs for industrial use. the slabs come in 3 thicknesses: 5in, 10in, and 15in. the weights of each thi

Len [333]

Given slabs thicknesses 5in, 10in, and 15in.

Therefore, ratio of thicknesses in simplest form would be 1:2:3.

Metal 1 thicknesses = 150lbs, 300lbs, 600lbs

Dividing by 150, we get ratio of Metal 1 thicknesses = 1:2:4.

Metal 2 thicknesses = 130lbs, 260lbs, 390lbs.

Dividing by 130, we get ratio of Metal 2 thicknesses = 1:2:3.

Metal 3 thicknesses = 310lbs, 620lbs, 930lbs.

Dividing by 310, we get ratio of Metal 3 thicknesses = 1:2:3.

Metal 4 thicknesses = 140lbs, 280lbs, 420lbs.

Dividing by 140, we get ratio of Metal 4 thicknesses = 1:2:3.

We can see the ratios of thicknesses of Metal 1 are 1:2:4 but it should be 1:2:3.

Therefore, Metal 1 weight is not proportional to thickness.

5 0

3 years ago

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