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2 years ago

Find the percent of change of 36; 63

1 answer:

4 0

The percent change from 36 to 63 is 63/36=1.75 (multiply by 100 to get a percentage) 175%The percent change from 63 to 36 is 36/63=0.571=57.1%

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Help -8(9n-10) -20 a. 90n+54 b. -72n+60 c. -17n – 80 d. -160n

Anna [14]

Answer:

1) -8(9n-10) - 20

-72n + 80 - 20

-7n + 60

Can't factor

2) 90n+54

18(5n+3)

3) -72n+60

-12(6n-5)

4) -17n - 80

Can't factor

5) -160n

Can't factor

3 0

2 years ago

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Simply. If the solution is not a real number enter not a real number rotate picture answer all 3 please

yuradex [85]

Answer:

13. $\frac{\sqrt[5]{x^4} }{x}$ .

14. $v = \pm3\sqrt{5}$

15. 2.

Step-by-step explanation:

13. $x^{1/5} * x^{-2/5}$

= $x^{1/5 + (-2/5)}$

= $x^{1/5 - 2/5}$

= $x^{-1/5}$

= $\frac{1}{x^{1/5}}$

= $\frac{x^{4/5}}{x^{1/5 + 4/5}}$

= $\frac{x^{4/5}}{x}$

= $\frac{\sqrt[5]{x^4} }{x}$ .

14. $v^2 - 45 = 0$

$v^2 = 45$

$\sqrt{v^2} = \pm\sqrt{45}$

$\sqrt{v^2} = \pm\sqrt{3^2 * 5}$

$v = \pm3\sqrt{5}$ .

15. $\sqrt[3]{2} * \sqrt[3]{4}$

= $\sqrt[3]{2 * 4}$

= $\sqrt[3]{2 * 2 * 2}$

= $\sqrt[3]{2 ^3}$

= 2.

Hope this helps!

7 0

2 years ago

Which of the following expressions is equal to tan205°? tan55° tan25° tan25°

Levart [38]

Answer:

the write answer to your question is tan 25 degree

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2 years ago

A duck flew at 18 miles per hour for 3 hours,

mrs_skeptik [129]

First, you do 18 miles times 3 hours.
The answer is 54
The you do 15 miles time 2 hours
The answer is 30
You can add them all up and get 84 miles total. (D)

5 0

3 years ago

Read 2 more answers

There are 35 people in a room. There are

Degger [83]

Answer:

Male=21 Female=14

Step-by-step explanation:

So the problem would be (f)+(f+7)=35

first you would subtract 7 from 35

Now you have (f)+(f)=28 or 2f=28

Then you divide both sides by two

f=14

and since we know there is 7 more males then the answer is

m=21

5 0

3 years ago

Read 2 more answers