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yarga [219]
3 years ago
15

3 cans that store 9 tennis balls... Find the constant of proportionality & write a equation to represent the relationship PL

EASE help

Mathematics
1 answer:
Lilit [14]3 years ago
7 0
<span>3 cans store 9 tennis balls.
Find the Constant of proportionality and write and equation with regards to this given situation:
=> number of tennis balls = 9
=> number of cans = 3

</span> <span>So the constant of proportionality is  in the working column. Pls see attached.<span>

</span></span>



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92 = -4(2r - 5)<br><br> r = ?<br> Help!
Roman55 [17]

Hello there!

92 = -4(2r - 5)\\

Explanation:

↓↓↓↓↓↓↓↓↓↓↓↓

First you had to switch sides.

-4(2r-5)=92

Then you divide by -4 from both sides of the equation.

\frac{-4(2r-5)}{-4}=\frac{92}{-4}

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Next you had to add by 5 from both sides of the equation.

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Simplify

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You can also divide by 2 from both sides of the equation.

\frac{2r}{2}=\frac{-18}{2}

Simplify it should be the correct answer.

r=-9

<u><em>Answer⇒⇒⇒⇒⇒r=-9</em></u>

Hope this helps!

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5 0
4 years ago
Read 2 more answers
I need these answers checked to see if I did them correctly.
madam [21]
They look correct to me!
4 0
3 years ago
What’s is the answer to y=3x+7<br> Y=x-9
photoshop1234 [79]

Answer:

(- 8, - 17 )

Step-by-step explanation:

Given the 2 equations

y = 3x + 7 → (1)

y = x - 9 → (2)

Substitute y = 3x + 7 into (2)

3x + 7 = x - 9 ( subtract x from both sides )

2x + 7 = - 9 ( subtract 7 from both sides )

2x = - 16 ( divide both sides by 2 )

x = - 8

Substitute x = - 8 into either of the 2 equations for corresponding value of y

Substituting into (2)

y = - 8 - 9 = - 17

Solution is (- 8, - 17 )

6 0
3 years ago
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