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Irina-Kira [14]

3 years ago

8

Find x and the measures of the indicated parts.

1 answer:

allochka39001 [22]3 years ago

6 0

Answer:

A. X=3/2, AB =3

Step-by-step explanation:

∆ADC ~ ∆AEB so we have AB/AC = AE/AD:

2x/(2x+4) = (14-8)/14

14(2x) = 6(2x+4) . . . . . . . cross multiply

28x = 12x +24 . . . . . . . . eliminate parentheses

16x = 24 . . . . . . . . . . . . . .subtract 12x

x = 24/16 = 3/2 . . . . . . . divide by the coefficient of x; reduce the fraction

Then the length of AB is ...

AB = 2x = 2(3/2) = 3

The solution is x = 3/2, AB = 3.

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3 years ago

It's a question from real and complex numbers which I can't solve. so someone PLZ HeLp

Semmy [17]

Answer:

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Step-by-step explanation:

Using the rules of exponents

$a^{m}$ × $a^{n}$ = $a^{(m+n)}$ , $\frac{a^{m} }{a^{n} }$ = $a^{(m-n)}$ , $(a^m)^{n}$ = $a^{mn}$

Simplifying the product of the first 2 terms

$\frac{a^{p^2+pq} }{a^{pq+q^2} }$ × $\frac{a^{q^2+qr} }{a^{qr+r^2} }$

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Performing the division, that is

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= $\frac{1}{5}$

4 0

3 years ago