3 years ago

18 kilometers to miles (to the nearest tenth)

Mathematics

1 answer:

skelet666 [1.2K]3 years ago

4 0

The correct answer to this is 11.2
hope that helps

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Westkost [7]

Answer:

There are no solutions

Step-by-step explanation:

4/5 ( 20x + 5 ) = 16x - 2

Distibute on the left:

( 4/5 x 20 x ) + ( 4/5 x 5 ) = 16x - 2

16x + 4 = 16x - 2

Subtract 16x from both sides:

4=-2

Add 2 to each side:

6=0

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Sliva [168]

Answer:

Step-by-step explanation:

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3 years ago

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The legs of a right triangle have the following measurements: 5 and 10 inches. What is the length of the hypotenuse??

RideAnS [48]

Answer:

$5\sqrt{5}$

Step-by-step explanation:

1. $5^2 + 10^2 = c^2$

2. $125 = c^2$

3. $c=5\sqrt{5}$

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3 years ago

Find the inverse of function f. f(x) = 1/2x +7 / <img src="https://tex.z-dn.net/?f=f%28x%29%3D%5Cfrac%7B1%7D%7B2%7Dx%20%2B%207"

kvasek [131]

The answer is C.) f^-1 (x) = 2x- 14 / $\:f^{-1\:}\left(x\right)=2x\:-\:14$

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3 years ago

I need help on solving these types of geometry problems! Teacher said the answer is 7 but I have to show work. Thank you!

Nikolay [14]

The vertex where the two triangles touch forms a pair of vertical angles, so that the angles on opposites sides of the vertex are congruent. You're shown that two legs of both triangles are congruent. All this tells you that the two triangles are isosceles, and furthermore that they are similar because of the congruence of their "base" angles.

This means

$82^\circ=m\angle 2$

$\implies82=10x+12$

$\implies10x=70$

$\implies\boxed{x=7}$

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3 years ago