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3 years ago

9

Help gotta pass dis test

1 answer:

Elden [556K]3 years ago

4 0

Answer:

x=11.557438....

Step-by-step explanation:

272+45= 317

360-317=43

(x-5)^(2)=43

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Find the volume (in terms of pi) of a sphere of its surface area is 400 pi ft2

elixir [45]

$\bf \textit{surface area of a sphere}\\\\ SA=4\pi r^2\qquad \qquad \implies \stackrel{SA}{400\pi }=4\pi r^2\implies \cfrac{400\pi }{4\pi }=r^2 \\\\\\ 100=r^2\implies \sqrt{100}=r\implies \boxed{10=r} \\\\\\ \textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}\qquad \qquad V=\cfrac{4\pi \boxed{10^3}}{3}\implies V=\cfrac{4000\pi }{3}$

8 0

3 years ago

Read 2 more answers

The price of a pair of shoes is marked down 33%. The original price was $59.85. What is the sale price of the shoes? PLEASE HELP

ElenaW [278]

59.85 * .33= 19.7505

59.85 - 19.7505 = 40.0695

so rounded shoes would be $40.07

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3 years ago

Need help with 5, 6, 7 i don’t know how to do it can someone help me with the steps

pashok25 [27]

Answer:

5) the answer is 2 hours

Step-by-step explanation:

1 hour: 35% is destroyed

35% added 2 times (2 hours) equals 70%

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3 years ago

PLEASE HELP PICTURE SHOWN!!

SashulF [63]

The correct answer is A hope this helps

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4 years ago

-9 + y = 12 <br> How do you solve this?

Goshia [24]

Answer:

-9+y=12

y=12+9

=21

Ans: y=21

6 0

3 years ago