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3 years ago

How would you make a t diagram between two cars and the models

Mathematics

1 answer:

Olegator [25]3 years ago

8 0

You would have one column as the model for car A and the second column as the model for car B

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Combine like terms to create an equivalent expression. Enter any coefficients as simplified proper or improper fractions or inte

Sonja [21]

Answer:

1 -9/7n

Step-by-step explanation:

$\dfrac{1}{7}-3\left(\dfrac{3}{7}n-\dfrac{2}{7}\right)=\dfrac{1}{7}-\dfrac{3\cdot3}{7}n+\dfrac{3\cdot2}{7}=\dfrac{1}{7}+\dfrac{6}{7}-\dfrac{9}{7}n\\\\=\dfrac{1+6}{7}-\dfrac{9}{7}n=\boxed{1-\dfrac{9}{7}n}$

5 0

2 years ago

Read 2 more answers

How do you do this question?

Komok [63]

You're right on B. So if there are 27 pairs of sandals (starting with 9 pairs of sandals) you would divide 27 by 9 which is 3. Use 3 again and multiply it by 5 which is 15.

8 0

4 years ago

What is the radius of a sphere that has a surface area of 12.56 in^2

EastWind [94]

$A=4\pi R^2\\\\A=12.56\ in^2;\ R=?\\\\4\pi R^2=12.56\ \ \ |divide\ both\ sides\ by\ 4\pi\\\\R^2=\dfrac{3.14}{\pi}\\\\R^2\approx\dfrac{3.14}{3.14}\\\\R^2=1\\\\R=1\ (in)$

8 0

3 years ago

For a science experiment Marcia dissolved 1.0 kilogram of salt in 3.0 liters of water. For a different experiment, Bobby dissolv

nekit [7.7K]

Marcia dissolved 1 kg of salt in 3 litres of water.
Bobby dissolves 2 pounds of salt in 7 pints of water
2.11 pints = 1 litre
7 pints = 7/2.11
= 3.32 litre
1 pound =0.45 kg
2 pound = o.45*2 kg
= 0.9 kg
So we find that Bobby is dissolving 0.9kg of salt in 3.32 litre of water
Marcia is dissolving 1 kg of salt in 3 litres of water.

5 0

3 years ago

1 - 4 please help !!!!

dusya [7]

We can use the slope formula for each of these.

$\frac{y.2 - y.1}{x.2 - x.1} = m$

1. 5 - 1 / 4 - 2

4 / 2

The slope is 2, and it is rising because it is positive.

2. -5 - 0 / 3 - (-1)

-5 / 4

The slope is -5/4, and it is falling because it is negative.

3. 1 - 1 / -3 - 2

0 / -5

The slope is 0, and it is a horizontal line. The value of y is not changing per value of x.

4. -5 - 2 / -1 - (-1)

-7 / 0

Undefined

The slope is undefined because it fails the vertical line test.

3 0

4 years ago