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GaryK [48]
3 years ago
13

I need some answer for my homework

Mathematics
1 answer:
grandymaker [24]3 years ago
7 0

The angles form a right angle, so make an equation where they add up to 90 degrees.

(c + 3) + (4c - 13) = 90

Combine like terms.

5c - 10 = 90

Add 10 to both sides.

5c = 100

Divide both sides by 5.

c = 20

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250*0.62= 155

155 pounds is your answer.
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Without using a calculator, order the following numbers from least to greatest. square root of 149, 12, 11
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Solve 25=5x - 15<br><br> (Please help asap <br> thank you!)
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3 years ago
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Another geometry question thanks!
Anettt [7]

For the given right triangle, we have:

  • L = 57°
  • ML = 4.5
  • NL  =  7.5
<h3>How to get the dimensions of the given triangle?</h3>

Here we have a right triangle, remember that the sum of the internal angles of a triangle must be 180°, then:

N + M + L = 180°

We can see that:

N = 37°

M = 90°

Then:

L = 180° - N - M = 180° - 37° - 90° = 53°

Also, if we step on N, the adjacent cathetus measures 6 units, then we can use the relations:

tan(37°) = (opposite cathetus)/(adjacent cathetus)

tan(37°) = ML/6

tan(37°)*6 = ML = 4.5

cos(37°) = (adjacent cathetus)/(hypotenuse)

cos(37°) = 6/NL

NL = 6/cos(37°) =  7.5

If you want to learn more about right triangles:

brainly.com/question/2217700

#SPJ1

4 0
2 years ago
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