3 years ago

Pleaseee help me Xxxxx

Mathematics

2 answers:

Lapatulllka [165]3 years ago

4 0

Answer:

The equation is in slope-intercept form. So that speaking, 4 is the y-intercept.

yanalaym [24]3 years ago

3 0

^ also correct, B!
yayayayay

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What is the value of x? Enter your answer in the box.

Grace [21]

The shapes are similar.
When two figures are similar, the ratios of the lengths of their corresponding sides are equal.
Therefore,
$\frac{42}{(15 + 42)} = \frac{x}{10 + x}$

Simplify:
$\frac{42}{57} = \frac{x}{10 + x}$
Cross multiply:
42(10+x) = 57x
420 + 42x = 57x
420 = 57x - 42x
420 = 15x
x = (420÷15)
x = 28

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