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Wittaler [7]
2 years ago
11

What is 7 to the power of -4

Mathematics
2 answers:
swat322 years ago
8 0
The correct answer is 0.00042
Andrej [43]2 years ago
4 0
<span>0.00041649312 on a calc unless u wanna simplify :)

hope i helped best of luck :)

</span>
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A circular playground for a daycare center is to be covered with square tiles that are 9 inches on each side. The circle has a d
nydimaria [60]

Answer:

9 boxes

Step-by-step explanation:

Area=\pi r^{2}

Since 1 ft= 12 inches then with diameter of 12 ft, radius becomes 6 ft and converted to inches it's 6*12=72 in

Area=\pi\times 72^{2}=16286.01632  in^{2}

Area of 1 tile= 9*9=81

Number of tiles= \frac {16286.01632&#10;}{81}=201.0619298&#10;\202 tiles

Number of boxes= 202/25=8.08 boxes hence 9 boxes

5 0
3 years ago
Read 2 more answers
Solve the equation. Check your solution. :) Thanks!
Elden [556K]

Hi!

-32 = 4b

4b = -32

b = -32 : 4

<u>b </u><u>=</u><u> </u><u>-</u><u>8</u>

3 0
2 years ago
Read 2 more answers
Question in the file below. (Khan Academy)
vitfil [10]
We can suggest this equation.
(6x+x)+(6x+x)+110º+110º=360º
7x+7x+220º=360º
14x=360º-220º
14x=140º
x=140º/14
x=10º

Answer. x=10º
5 0
3 years ago
Read 2 more answers
25 percent of what is 38?
AnnyKZ [126]

Answer: 152

Step-by-step explanation:

Let the number = x.

Therefore, x*25% = 38

25% as a decimal is 0.25.

So, 0.25x = 38

We can divide both sides by 0.25:

x = 152

8 0
2 years ago
Does anyone know this answer?
Olegator [25]

Answer:

2x = 40°

3x = 60°

4x = 80°

Step-by-step explanation:

2x+3x+4x = 180°

9x = 180

x = 20

SO

2x = 2(20) = 40°

3x = 3(20) = 60°

4x = 4(20) = 80°

6 0
2 years ago
Read 2 more answers
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