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mote1985 [20]
4 years ago
9

What expression is equivalent to -3(x+10)

Mathematics
1 answer:
Advocard [28]4 years ago
4 0
ANSWER:
-3x-30

STEPS:
Distribute-3 to x and 10 to get -3x-30.
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3 years ago
ABC with altitude \overline{BD}
just olya [345]

The length of \overline{AC} is given by the relationship between the similar triangles

ΔABD and ΔBDC.

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Reasons:

The given parameters are;

The altitude of triangle ΔABD = \overline {BD}

The hypotenuse of formed right triangle = \overline {AC}

The length of AD = 8

Length of BD = 24

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ΔABD is similar to ΔBDC

Therefore, by similar triangle proportional sides relationship, we have;

\displaystyle \frac{\overline{AD}}{\overline{BD}}  = \mathbf{ \frac{\overline{BD}}{\overline{DC}}}

Which gives;

\overline{BD}^2 = \mathbf{\overline{DC} \times \overline{AD}}

Therefore;

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\overline{AC} = 72 + 8 =\mathbf{ 80}

Learn more about similar triangles here:

brainly.com/question/4618367

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2 years ago
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