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mote1985 [20]
4 years ago
14

PLEASE HURRY!! VW is parallel to YZ in the map below. Which proportion solves for the distance between Y and Z?

Mathematics
2 answers:
harkovskaia [24]4 years ago
8 0

Answer:

\frac{3}{9}=\frac{4}{x}

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional

In this problem

Triangle XVW is similar to triangle XZY

therefore

\frac{YZ}{VW}=\frac{XZ}{XV}

substitute the given values

\frac{x}{4}=\frac{9}{3}

x=3*4=12\ miles

Jlenok [28]4 years ago
3 0

Answer:

A

Step-by-step explanation:

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3 years ago
X^2 - 2x = 15 how do I solve this quadratic method?<br>I am stuck on it.... please help<br>​
Anarel [89]

Answer:

(x - 5)(x + 3)

Step-by-step explanation:

to solve x² - 2x = 15, we need to get all the terms on one side so we can solve the quadratic equation using factoring. to do this, we subtract 15 from both sides

x² - 2x = 15

- 15         -15

x² - 2x - 15 = 0

now we can factor. we need 2 numbers that when multiplied together give us -15, and when those 2 numbers are added together we get -2

because we have a -15, we can assume that one number must be negative and the other positive, as a negative times a postive is a negative.

we can use 3 and -5 as factors and test it out. we put x in front because we have an x²

(x - 5)(x + 3) < we can FOIL to check to see if this is correct. its not mandatory to check but when you arent sure of the answer you can FOIL it out

FOIL stands for: First, Outside, Inside, and Last terms

F: (x - 5)(x + 3) = x²

O: (x - 5)(x + 3) = -3x

I: (x - 5)(x + 3) = 5x

L: (x - 5)(x + 3) = -15

x² + 3x - 5x - 15 < subtract 3x from 5x

x² - 2x - 15

this checks out, so our answer is (x - 5)(x + 3)

6 0
3 years ago
Read 2 more answers
What happens to the value of the expression 3y/2y as y increases
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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