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3 years ago

What is the

Mathematics

2 answers:

Assoli18 [71]3 years ago

8 0

Answer:

x= 5.45 or -5.45

Step-by-step explanation:

seraphim [82]3 years ago

4 0

Answer:

x = -3

Step-by-step explanation:

This is a vertical line. The x value remains constant.

x = -3

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NEED HELP ASAP!!!!!!!!!!!

Ivanshal [37]

Answer:

a. $\frac{x + 3}{21}=\frac{x + 1}{15}$

b. x = 4 (see steps below)

Step-by-step explanation:

Since the two polygons are similar, the sides are proportional to each other. Using a proportion, you can solve for 'x' using cross-multiplication and division:

$\frac{smaller}{larger}=\frac{x + 3}{21}=\frac{x + 1}{15}$

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Subtract '15x' from both sides: 15x + 45 - 15x = 21x + 21 - 15x or 45 = 6x + 21

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