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Bond [772]
3 years ago
10

Is the square root of 87 rational of irrational?

Mathematics
1 answer:
fgiga [73]3 years ago
7 0

No its irrational.The answer its irrational.


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lidiya [134]
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3 0
3 years ago
Simplify the following expression 5^2-4/5+2
oee [108]
If <span>(5^2-4) / (5+2) then
=(25 - 4 )/3
= 21/3
= 7

if 4/5 fraction then
</span><span>5^2-4/5+2
= 25 - 4/5 + 2
= 27 - 4/5
= 26 5/5 - 4/5
= 26 1/5
= 26.2</span>
6 0
3 years ago
Read 2 more answers
Help please!! it’s due today and this is the one answer i still need!! (view picture)
matrenka [14]

Answer: q=0.3p-2

Well everytime P goes up by one then Q goes up by positive 0.3

7 0
3 years ago
Read 2 more answers
What is the area of a sector with a central angle of (2pi/3) radians and a diameter of 12 in?
Stels [109]

Answer:

The area of the sector is 37.68\ in^{2}

Step-by-step explanation:

step 1

Find the area of the circle

The area of the circle is equal to

A=\pi r^{2}

we have

r=12/2=6\ in ----> the radius is half the diameter

substitute

A=(3.14)(6)^{2}

A=113.04\ in^{2}

step 2

Find the area of a sector with a central angle of (2pi/3)

Remember that

The area of 113.04\ in^{2} subtends a central angle of 2\pi \ radians

so

by proportion

Let

x----> the area of the sector

\frac{2\pi}{113.04}=\frac{(2\pi/3)}{x}\\ \\x=113.04*(2\pi/3)/(2\pi)\\ \\x=37.68\ in^{2}

8 0
3 years ago
Help please!! i just need to the answer
Inga [223]

Answer:

2nd option

l= 55/60 ( 12 pi)

7 0
3 years ago
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