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avahrider1

avahrider1

26.03.2021 •

Mathematics

Evaluate if a=3, x=2, y=5, and z=4 axz\div(2y)axz÷(2y)

12

24

2.4

60

Solved

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Ответ:

WATBOI01

25.04.2021

Just calculate

3×2×4 ÷ (2×5)

24÷10

=2.4

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Ответ:

nmknightp02

09.09.2022

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$\sqrt{ ({12 \sqrt{3} })^{2} + {12}^{2} } =$

$\sqrt{(144 \times 3) + 144} =$

$\sqrt{4 \times 144} =$

$\sqrt{ {2}^{2} \times {12}^{2} } =$

$\sqrt{ ({2 \times 12})^{2} } =$

$\sqrt{ {24}^{2} } = 24$

Thus :

BC = Hypotenuse = 24

We know that the facing angle to the Hypotenuse has a measure of 90°.

Thus :

A =90°

So ∆ ABC is a right triangle .

_________________________________

Look :

$\sin( B) = \frac{AC}{BC} \\$

$\sin(B) = \frac{12 \sqrt{3} }{24} \\$

$\sin(B) = \frac{12 \times \sqrt{3} }{12 \times 2} \\$

$\sin(B) = \frac{ \sqrt{3} }{2} \\$

So Angle B has a measure of 60° ;

Because :

$\sin(60°) = \frac{ \sqrt{3} }{2} \\$

_________________________________

Sum of the interior angles of any triangle equal 180°.

Thus :

A + B + C = 180°

90° + 60° + C = 180°

C + 150° = 180°

Subtract sides 150°

$C + 150° - 150° = 180° - 150° \\$

C = 30°

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

So the correct answer is Option Two .

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

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