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3 years ago

14

The commutative and associative properties work for which operations? Select all that apply. addition division subtraction multi

plication

1 answer:

fiasKO [112]3 years ago

4 0

Answer:

Addition and multiplication

Step-by-step explanation:

This is because subtraction and division cannot be switched up. This would result in a different answer.

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Simplify y^-2/y^-7. Write your answer with a positive exponent only.

attashe74 [19]

Answer:

y^5

Step-by-step explanation:

y^-2/y^-7

When we divide exponents with the same base, we subtract the exponents

y^ ( -2 - -7)

y^ ( -2+7)

y^ 5

4 0

3 years ago

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Help please due soon

ANEK [815]

Answer: c=24

Step-by-step explanation: 15×3=45. 8×3=24. Just multiply both the numerator and denominator by 3.

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3 years ago

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Click on the correct answer.

Galina-37 [17]

Answer:

A, $1.08

Step-by-step explanation:

1.20 / 90 = 1.08

use a calculator

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3 years ago

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Ricardo throws a stone off a bridge into a river below how many seconds after being thrown will the stone reach its maximum heig

pychu [463]

Answer:

0

Step-by-step explanation:

the highest the stone will ever be is in your hand after you throw it the rock will automatically start falling more and more down towards the river which is below you.

Hopefully this helps!

8 0

3 years ago

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A line contains the points (-5, 3) and (0, -7). What is the equation of this line in slope-intercept form?

pychu [463]

Answer:

D. y = –2x – 7

Step-by-step explanation:

First, find the <em>rate</em><em> </em><em>of change</em><em> </em>[<em>slope</em>]:

-y₁ + y₂\-x₁ + x₂ = m

$- \frac{3 - 7}{5 + 0} = -\frac{10}{5} = -2$

In this case, the y-intercept of [0, -7] is ALREADY given to you, so we would not have to go further in this case.

I am joyous to assist you anytime.

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3 years ago

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