Mathematics, 12.08.2020 07:01 kkruvc

Find x. ( picture attached)

Answers: 3

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Answer from: andy1381

A. 4

Step-by-step explanation:

There are 180° in a triangle. The triangle is a 45°, 45°, 90° special right triangle which means hypotenuse = √2 · leg.

1. Set up the equation

4√2 = √2 · x

x = $\frac{4\sqrt{2} }{\sqrt{2} }$

2. Divide by √2

There cannot be any radicals in the denominator.

$\frac{4\sqrt{2} }{\sqrt{2} }$ · $\frac{\sqrt{2} }{\sqrt{2} }$ = $\frac{4\sqrt{4} }{\sqrt{4} }$ = $\frac{4(2)}{2}$ = $\frac{8}{2}$ = 4

x = 4

Answer from: moses638

A. 4

Step-by-step explanation:

There are 180° in a triangle. The triangle is a 45°, 45°, 90° special right triangle which means hypotenuse = √2 · leg.

1. Set up the equation

4√2 = √2 · x

x = $\frac{4\sqrt{2} }{\sqrt{2} }$

2. Divide by √2

There cannot be any radicals in the denominator.

$\frac{4\sqrt{2} }{\sqrt{2} }$ · $\frac{\sqrt{2} }{\sqrt{2} }$ = $\frac{4\sqrt{4} }{\sqrt{4} }$ = $\frac{4(2)}{2}$ = $\frac{8}{2}$ = 4

x = 4

Answer from: Quest

not enough information

step-by-step explanation:

we cannot know this, because the other students could have handed out 10 flyers, or they could have handed out 100. one way, the mean would go up, and another way, the mean would go down.

Answer from: Quest

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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rauschg

rauschg · hand

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Find x. ( picture attached)
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