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3 years ago

Do I add or multiply the 11 and 3?

Mathematics

2 answers:

KiRa [710]3 years ago

7 0

You multiply 5 times 5 11 times so 5*5*5*5*5*5*5*5*5*5*5=9765625

solmaris [256]3 years ago

4 0

Add
should be
5^n = 5^14
then
n = 14

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I WILL MARK BRAINLIEST Twelve is added to a number and then the sum is multiplied by 4/5 to give 23.6. What is the number?

Aliun [14]

Answer: 17.5 or 35/2

Step-by-step explanation:

(If you change 4/5 to a decimal, it makes this easier. 4/5 would be 0.8.)

23.6 = (12 + x)*0.8

23.6 = 9.6 + 0.8x

14 = 0.8x

17.5 = x

17.5 as an improper fraction would be 35/2.

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3 years ago

What percent of 72 is 27?

Alina [70]

if we take 72 as the 100%, what is 27 off of it in percentage?

$\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} 72&100\\ 27&x \end{array}\implies \cfrac{72}{27}=\cfrac{100}{x}\implies \cfrac{8}{3}=\cfrac{100}{x}\implies 8x=300 \\\\\\ x=\cfrac{300}{8}\implies x=\cfrac{75}{2}\implies x=37.5$

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3 years ago

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Helga [31]

D - top

E - second to top

A - middle

C - second to last

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3 years ago

You and your friend decide to sell cookies to raise money for a local fundraiser. After d days, you have raised (6d+7)dollars an

Alisiya [41]

The expression would add 6d+7 and 10d+10.

So…

6d+7+10d+10

We add like terms which would be (7 and 10) and (6d and 10d)

7+10 is 17

6d+10d is 16d

So the answer would be
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3 years ago

4x+6 find find the value

Alex Ar [27]

Answer:

-1.5 or -6/4

Step-by-step explanation:

Im assuming the equation is 4x+6=0

1.) subtract the 6 from each side.

4x= -6

2.) you need to isolate the X, so divide the 4 from each side.

X= -6/4 or -1.5

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3 years ago