3 years ago

What is the solution to the equation sqrt5X-7= sqrt3X+5? x = 1 x = 6 x = 12 x = 24

Mathematics

1 answer:

IgorC [24]3 years ago

4 0

Answer:

X=6

Steps are in the picture

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Chad and Karla are both 42 years old they open an account at the laxmi savings bank with the hope that it will gain enough inter

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4 years ago

Can someone explain how to do #3?

dsp73

$\displaysyle (\sqrt 2)^{3}=(2^{\frac{1}{2}})^3=2^{\frac{1}{2} \cdot 3}=2^{\frac{3}{2}}=\sqrt {2^3}=\sqrt 8$

√8 is between 2 and 3, because 2²=4<8, but 3²=9>8. Also, our value is closer to 3 than to 2, so it is more than 2.5 and we have C and D options left.

Among these two numbers we find the one which is closer to √8.

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3 years ago

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7/8 = /48 A. 1 B. 6 C. 42 D. 13

Vsevolod [243]

7/8 = x/48

Cross multiply, which is: a/b = c/d ⇒ ad = bc

After cross multiplying, we get:

8x = 7(48)

8x = 336

Divide 8 on both sides

x = 42

Your final answer is B. 42.

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3 years ago