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lisabon 2012 [21]
2 years ago
8

I NEED HELP PLEASE!! if Q=2.1R+5 find Q when R=5

Mathematics
1 answer:
marusya05 [52]2 years ago
7 0

Answer:

If Q=2.1(R)+5, then it would be 2.1(5)+5=15.5 ?

Step-by-step explanation:

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Quick brain for first and 5 stars What steps should be taken to calculate the volume of the right triangular prism? Select three
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Answer:

- Use the formula A = one-half b h to find the area of the base.

- The area of the base, A, is One-half (8) (14) = 56 meters squared.

- The volume of the prism, V is (56) (7) = 392 meters cubed

Step-by-step explanation:

To find the volume of right triangular prism, the following steps should be followed:

The formula bfor calculating the volume = Base Area × Height.

Step 1:

- Use the formula A = one-half b h to find the area of the base.

This formula of a triangle bus used because the base of a triangular prism is triangular in nature.

b is the base of the triangle

h is the height of the triangle

Step 2:

Given base if triangle = 8m

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We substitute this values into the formula of the base area to have the second step:

Base area = 1/2(8)(14) = 56m²

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Step 3:

Then we calculate the volume if the prism where height of the prism is 8m

volume of the prism = 56 × 7

= 392m³.

This gives us the final step

- The volume of the prism, V is (56) (7) = 392 meters cubed

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