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MrRissso [65]
3 years ago
10

Solve for a. 7a-2b=5a+b

Mathematics
2 answers:
velikii [3]3 years ago
7 0
8.5b.
7a= 5a +3b
-5a -5a
2a = 3b
/2
a= 1.5b
Solve by substitution and you get;
8.5b=8.5b
Because of the lack of constants in the equation there isn't a definite answer.
almond37 [142]3 years ago
4 0

Answer:

a = 3/2b

Step-by-step explanation:

 7a - 2b = 5a +   b

<u>       +2b          + 2b</u>

 7a = 5a + 3b

<u>-5a    -5a </u>

2a  =  3b

<u>/2      /2</u>

a = 3/2b

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A lamp post with a height of 12 ft casts a shadow of 6 ft. A fire hydrant near it casts a shadow that is 1.5 ft long. How tall i
alex41 [277]

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3ft

Step-by-step explanation:

We are given that

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We have to find the height of fire hydrant.

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Using the property

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Cam's tent (shown below) is a triangular prism. Find the surface area, including the floor, of his tent.
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The surface area of the tent is 21.4 m²

Step-by-step explanation:

To find the surface area of a prism you must calculate:

1. The perimeter of the base

2. The area of the base

3. The height of the prism

We have a triangular prism:

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The height of the prism is 3 m

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∵ The perimeter of the base = 6 m

∵ The area of the base = 1.7 m²

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∴ S.A = 18 + 3.4

∴ S.A = 21.4 m²

The surface area of the tent is 21.4 m²

Learn more:

You can learn more about surface area of a solid in brainly.com/question/12613605

#LearnwithBrainly

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