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3 years ago

Find x. Round your answer to the nearest tenth of a degree.

Mathematics

1 answer:

Y_Kistochka [10]3 years ago

3 0

Answer:

x ≈ 42.5

Step-by-step explanation:

We use tan∅ to solve this:

tanx° = 11/12

x° = $tan^{-1}(11/12)$

x = 42.5104°

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4 years ago

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3 years ago

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4 years ago

The sum of the masses of two heavyweight boxers is 190kg. ⅘ the heavier boxer is 10kg less than the mass of lighter boxer. Find

ratelena [41]

Answer:

<em>Their masses are 100 kg and 90 kg</em>

Step-by-step explanation:

<u>Equations</u>

We'll solve the problem by setting only one variable. Let's call:

x = weight of the heavier boxer

Since the sum of the masses of both boxers is 190 Kg:

190 - x = mass of the lighter boxer.

It's given that $\frac{4}{5}$ of the mass of the heavier boxer is 10 kg less than the mass of the other, thus:

$\displaystyle \frac{4}{5}x=190-x-10$

Operating:

$\displaystyle \frac{4}{5}x=180-x$

Multiplying by 5:

$\displaystyle 4x=5(180-x)$

$\displaystyle 4x=5*180-5x$

Simplifying:

$\displaystyle 9x=900$

$x=\frac{900}{9}=100$

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3 years ago

I need help. Please solve this using GEMS. Take a photo of your work and attach it to your answer. Please help.

crimeas [40]

Answer:

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Step-by-step explanation:

45 ÷ 3 x 2³

2³ = 8

45 ÷ 3 x 8

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Hope this helped.

P.S. do I have to put in a photo?

8 0

3 years ago