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Katyanochek1 [597]
3 years ago
12

Which of the following statements is true?

Mathematics
1 answer:
VikaD [51]3 years ago
8 0

Answer:

c

Step-by-step explanation:

if its incorrect i apologize

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Does 36x+24=12(x+2+2x) , have no solution, one solution, many solutions?
Reika [66]

Answer:

No solution

Step-by-step explanation:

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3 years ago
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A circular pool measures 10 feet across. one cubic yard of concrete is to be used to create a circular border of uniform width a
mina [271]

we know that

1 ft is equal to 12 in

1 cubic yard is equal to 27 cubic​ feet

Step 1

<u>Find the area of the circular border of uniform width around the pool</u>

Let

x---------> the uniform width around the pool    

we know that

The diameter of the circular pool measures 10 feet

so

the radius r=5 ft

the area of the circular border is equal to

A=\pi *(5+x)^{2}- \pi *5^{2} \\A= \pi *[(x+5) ^{2}-5^{2} ] \\ A= \pi * [x^{2} +10x]

step 2

volume of the concrete to be used to create a circular border is equal to

V=1 yd^{3}-------> convert to ft^{3}

V=27 ft^{3} -------> equation 1

the depth is equal to 4 in-------> convert to ft

depth=4/12=(1/3) ft

volume of the concrete to be used to create a circular border is also equal to

V=Area of the circular border*Depth

V= \pi * [x^{2} +10x]*(1/3) -------> equation 2

equate equation 1 and equation 2

27=\pi * [x^{2} +10x]*(1/3) \\ x^{2} +10x- \frac{81}{\pi }=0

using a graph tool------> to resolve the second order equation

see the attached figure

the solution is the point

x=2.126 ft

therefore

<u>the answer is</u>

The uniform width around the circular pool border is 2.126 ft

7 0
3 years ago
Write the number 40052 in words<br> <img src="https://tex.z-dn.net/?f=Write%20the%20number%2040052%20in%20words%3Cbr%3E%0A" id="
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Forty thousand and fifty two

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3 years ago
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What does 58.45 - 21.92 =
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Answer:36.53

Step-by-step explanation: Subtract them the two numbers.

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What is the measure of C
Mrrafil [7]

Answer:

This is an equilateral triangle, meaning that all sides and all angles are equal, as shown through the three equal side lengths, so all you have to do is find what makes all three angles the same number!

A triangle has 180 degrees, and this one has 3 equal angles because it has 3 equal sides, so 180/3 is 60 degrees!

So C. 60 degrees is your answer!!

Hope this helps!

Step-by-step explanation:


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