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denis-greek [22]
2 years ago
15

What is the answer to thiss

Mathematics
1 answer:
lana [24]2 years ago
5 0

Hi Student!

This question is fairly simple because it gives us an equation and they also give us a value for the variable that is within the equation and they tell us evaluate the expression.  So let's plug in the values and solve.

<u>Plug in the values</u>

  • m^2 + 5
  • (9)^2 + 5

<u>Factor out the exponent</u>

  • (9*9) + 5
  • 81 + 5

<u>Combine</u>

  • 86

Therefore, the final answer that we would get when substituting m with 9 in the given equation is that we get 86.

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The cost of painting the total outside surface of a closed cylindrical tank at 60 paise per meter squae is Rs237.60. The height
valkas [14]

Answer:

volume=509.25 dm^{3}

Step-by-step explanation:

Curved surface area=\frac {237.6}{0.6}=396 dm^{2}=2\pi R(R+H) where R is radius and H is height

Since H=6R then curved surface area=2\pi R(R+6R)=14\pi R^{2}

Therefore,  

396 dm^{2}=14\pi R^{2} and making R the subject

R=\sqrt {\frac {396}{14\pi}}=\sqrt {(9.003622)}= 3.000604 m

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3 years ago
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yulyashka [42]

Answer:

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Step-by-step explanation:

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6 0
2 years ago
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V125BC [204]

Answer:

x = \frac{1}{4}

Step-by-step explanation:

Given

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2x + 14x - 2 = 2 ( add 2 to both sides )

16x = 4 ( divide both sides by 16 )

x = \frac{4}{16} = \frac{1}{4}

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3 years ago
Jamal spent $6.75 on wire. Wire costs $0.45 per foot. How many feet of wire did Jamal buy?
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Answer:

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Step-by-step explanation:

8 0
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