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Deffense [45]
3 years ago
12

The area of a circle is 706.9 square inches. Find the radius

Mathematics
1 answer:
antoniya [11.8K]3 years ago
4 0

Answer:

15 inches

Step-by-step explanation:

The area of a circle is pi r^2. We basically have to work backwards. I divided it fist by 3.14 which is the value of pi. I got 225.127, but I rounded it to 225. I found the square root of this which is 15. If we check the work. 15^2 is 225, and 225 times pi is 706.9.  

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How to multiply a whole number by a fraction like 4/6 x 4 etc .​
jeka57 [31]

Answer:

See below, please!

Step-by-step explanation:

To multiply a whole number by a fraction, set up both numbers so that they have a numerator and denominator, multiply the corresponding parts, and simplify.

Ex: \frac{4}{6}*\frac{4}{1}. Both of them are in fraction form, right? Now multiply the numerator and denominator together. Doing this, you get 16/6. Now simplify. Look for a common factor between both the numerator and denominator. We can see that one common factor is 2. So, our simplified fraction is 8/3.

Hope this helped!  

6 0
2 years ago
If p(x) = 2x2 – 4x and q(x) = x – 3, what is (pxq) (x)
balu736 [363]
(4-4x)(x-3)
4x-12-(4x^2)+12x
(-4x^2)+16x-12=(pxq)(x)
5 0
3 years ago
Help please me!!!!!!!!!!!
AlexFokin [52]
D:  We solve this in exactly the same way in which we solved the previous area problem.  Side length is s, area is s^2.  Here, side length is 5 in; area is 25 in^2.
the problem does say, however, not to include units in your answer.  Thus, just write "25."
5 0
2 years ago
Read 2 more answers
Quick Fun Answer<br> What times 5 equal 125?
zvonat [6]
25

X x 5 = 125

125/5=x

X=25
5 0
3 years ago
Read 2 more answers
Please help me I really need help<br><br><br> Vote you brainliest plus 10 points
NeTakaya
1. 1,2,3,6
2. 1,3,9
3. 1,2,5,10
4. 1,2,3,4,6,12
5. 1,3,7,21
6. 1,2,3,6,9,18
7. 8,16
8. 1,5,25
9. 1,31
10. 3x3
11. 5x5
12. 2x2x2
13. 14 is a composite number
14. 2x2x2
15. 3x5
16. 5 is a prime number
17. 20 is a composite number
18. 2x13
4 0
3 years ago
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