3 years ago

Simplify (1/2)4 1/16 1/8 1/4 which one is correct

Mathematics

2 answers:

miskamm [114]3 years ago

7 0

The correct one is 1/8

FinnZ [79.3K]3 years ago

7 0

If I am correct, the answer is 1/8

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If a segment has an<br> endpoint of (-2,9) and a<br> midpoint (3,-2), find the other<br> endpoint.

Alik [6]

Answer: (8, -13)

Step-by-step explanation:

-2 is 5 away from 3, and 9 is 11 away from -2. so add 5 to 3 which is 8, and add -11 to -2 which is -13.

5+3=8 (x)

-11+(-2)=-13 (y)

There for the correct answer is (8, -13) when (x, y).

Please Rate!! It helps me know if I'm explaining it well enough!! Thank you!<3

5 0

3 years ago

Can someone help me?

shusha [124]

B. $\sqrt{x} + \sqrt{x - 1}$ ✅

$\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\orange{:}}}}}$

$\frac{1}{ \sqrt{x} - \sqrt{x - 1} } \\ \\= \frac{1}{ \sqrt{x} - \sqrt{x - 1} } \times \frac{ \sqrt{x} + \sqrt{x - 1} }{ \sqrt{x} + \sqrt{x - 1} } \\ \\ = \frac{ \sqrt{x} + \sqrt{x - 1} }{ ({ \sqrt{x} })^{2} - { (\sqrt{x - 1} })^{2} } \\\\ [∵(a + b)(a - b) = {a}^{2} - {b}^{2} ] \\ \\= \frac{ \sqrt{x} + \sqrt{x - 1} }{x - (x - 1)} \\ \\= \frac{ \sqrt{x} + \sqrt{x - 1} }{ x - x + 1} \\ \\= \sqrt{x} + \sqrt{x - 1}$