3 years ago

Solve the equation. You may find using algebra tiles to be helpful. 2a − 2 = −4 a =

Mathematics

1 answer:

-Dominant- [34]3 years ago

4 0

Answer:

2a - 2 = -4a

2a - 2a - 2 = -4a - 2a

-2 = -6a

-2/-6 = -6a/-6

1/3 = a

Step-by-step explanation:

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A square has a perimeter of 44yd. What is the length of each side?

Natasha_Volkova [10]

Answer:

11 yd

Step-by-step explanation:

44/4 = 11

A square has four equal sides so you divide the perimeter by four to get your answer of 11

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2 years ago

Write −12.405 as a mixed number in simplest form

serious [3.7K]

Answer:

$-12\frac{81}{200}$

Step-by-step explanation:

In the decimal of −12,405, leave the −12 and divide 405 by 1000 for now:

$\frac{81}{200} = \frac{405}{1000}$

Greatest Common Divisor [GCD]: 5

Finally, you attach this back to the −12, giving you $-12\frac{81}{200}$ .

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3 years ago

Which expression does the model represent?

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Answer:

Step-by-step explanation:

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2 years ago

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Write an expression to find the perimeter of<br> the rectangle below:<br> 2x - 3y<br> 3x - 1

LuckyWell [14K]

Answer:

2(5x-3y-1)

Step-by-step explanation:

perimeter of a rectangle formula:

2l+2w

l=length(2x-3y)5x

w=width(3x-1)

2(2x-3y)+2(3x-1)

4x-6y+6x-2

10x-6y-2

2) all of these numbers have a gcf of 2 so lets divide this equation by 2:

2(5x-3y-1)

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3 years ago

What is the supplementary angle to an angle that has 112 degrees?

olga55 [171]

Supplementary means they add up to 180°.
180-112= 68
The answer is 68°

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3 years ago