3 years ago

LOOK AT THE PICTURE!! I REALLY NEED HELP SOMEONE PLEASE HELP ME OUT

Mathematics

1 answer:

uysha [10]3 years ago

8 0

Answer: B

Step-by-step explanation: Hope this help :D

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Select the correct answer.

Afina-wow [57]

Answer:

$d)\ \frac{81}{m^{7}}$

Step-by-step explanation:

$(3m^-4)^3(3m^5)$

First, simplify $(3m^{-4})^3$ :

$(3m^{-4})^3\\\\3^3*m^{-4*3}\\\\27m^{-12}$

$27m^{-12}*3m^5\\\\27*3 *m^{-12+5}\\\\81m^{-7}\\\\81*\frac{1}{m^{7}} \\\\\frac{81}{m^{7}}$

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2 years ago

Simplify the expression below <br><img src="https://tex.z-dn.net/?f=7x%20%7B%20-%20%7D%5E%7B2%7D%20%20-%204z%20%2B%208x%20%7B%20

Alisiya [41]

Answer: -9z + 15/x^2

The correct answer is -9z + 15/x^2 when simplified

<em>Hope this helps =)</em>

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2 years ago

The sum of half of a number and 49is 2 whole 1/4 of the number. find the number

Mrac [35]

Answer:

-93.5

Step-by-step explanation:

let the number be y

1/2 × y + 49 =2 1/4

y/2 +49 =9/4

y/2 =9/4-49

y/2 = 9-196/4

y/2 = -187/4

cross multiply

4y = -374

y = -93.5

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3 years ago

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Ms mitchell buys a new pair of boots that originally cost $65.00 but now are on sale for 15% off what is the sales price of the

Soloha48 [4]

The sale price would be $55.25.

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3 years ago

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Sauron [17]

Peter, to find the perimeter you have to add all sides up.

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