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2 years ago

13

Solve the system of equations by substitution. Simplify your answer. Write the

1 answer:

pychu [463]2 years ago

4 0

Answer:

x = 5 y = 2

Step-by-step explanation:

3x + 2(3x - 13) = 19

3x + 6x - 26 = 19

9x = 45

x = 5

y = 3(5) - 13

y = 15 - 13

y = 2

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the area of a rectangular window is 6216 cm^2. if the length of the window is 84 cm, what is it's width?

Rus_ich [418]

Answer:

<h3>The answer is 74 cm</h3>

Step-by-step explanation:

The area of a rectangle = length × width

Since we are finding the width

We have

$width = \frac{area}{length} \\$

From the question

area = 6216 cm²

length = 84 cm

The width is

$width = \frac{6216}{84} \\$

We have the final answer as

<h3>74 cm</h3>

Hope this helps you

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Step-by-step explanation:

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3 years ago

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cricket20 [7]

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madreJ [45]

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Step-by-step explanation:

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3 years ago

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Use the quadratic formula to answer the question below.

ra1l [238]

Answer:

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Step-by-step explanation:

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3 years ago