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san4es73 [151]
3 years ago
6

Which proportion resulted in the equation 3a=7b

Mathematics
2 answers:
tensa zangetsu [6.8K]3 years ago
7 0

Answer:

3/5 7/a

Step-by-step explanation:

the guy above has small brain

allsm [11]3 years ago
4 0

Answer: 3a+7b?

hope im correct

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Airida [17]

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ok lol

Step-by-step explanation:

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Strike441 [17]

The surface area of the triangular prism is of 140 cm².

<h3>What is the surface area of a prism?</h3>

It is the sum of the areas of all faces of a prism. In this problem, the prism has these following faces:

  • One rectangle of dimensions 8 cm and 6 + 4 + 5 = 15 cm.
  • Two right triangles with sides 4 cm and 5 cm.

For a rectangle, the area is given by the multiplication of the dimensions, hence:

Ar = 8 x 15 = 120 cm²

For each right triangle, the area is given by half the multiplication of the sides, hence:

At = 2 x 0.5 x 4 x 5 = 20 cm².

Then the surface area of the prism is:

S = 120 cm² + 20 cm² = 140 cm².

More can be learned about surface area at brainly.com/question/28123954

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2 years ago
Bella pushes a box to her right. In which direction does the box need to move for Bella to have done work n on it
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Answer:

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Step-by-step explanation:

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