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stiks02 [169]
3 years ago
8

What is the answer to 2h/15=20?

Mathematics
1 answer:
GarryVolchara [31]3 years ago
7 0
2h/15=20 so the answer to h would be h=150
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A section of concrete pipe 30m long has an inside diameter of 1.2m and an outside diameter of 1.8m. what is the volume of concre
Fudgin [204]

length of pipe= 30m

Inside dia. = 1.2m

Outside dia. = 1.8m


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V= (pi)
v= [(3.14*0.9*0.9)-(3.14*0.6*0.6)]30

v= (3.3534-1.1304)30
v=(2.233)30 = 66.690m cube

since it's volume the answer 66.690 is in cubic meters.

5 0
3 years ago
Can someone help me with number 10, 11, 12, 15, and 16 I don’t understand them thanks
yanalaym [24]

10)

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14) (your answer is incorrect)

5^2-2^2*4^2-12=25-4*16-12=25-64-12=-51

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\frac{24+32+30+28}{2}-expression to represent this situation

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Answer: In 1 group 57 students

/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\

P.S. Hello from Russia :^)

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3 years ago
Marcus was going up 10 stairs in his office. Write an absolute value expression for the given statement.
GenaCL600 [577]
The answer is |10| absolute value CANT be negative so it is 10
6 0
2 years ago
3+1/2=1 true or false
denis-greek [22]

I am pretty sure its false. I think this becuase 1/2 goes into 3, 6 times, not 1 time. Hope that helps

3 0
3 years ago
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PLEASE HELP!!! I WILL GIVE BRAINLIEST!!! Explain how to use estimation to help find the product of two decimals. Give an example
san4es73 [151]
You can use estimation to find the product of two decimals by rounding both the decimal’s so the nearest tenth or tens place (depending on how long it is) and then multiplying the decimals.

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6 0
2 years ago
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