1 year ago

PLEASE HELP ME URGENT PLEASE

Mathematics

1 answer:

cupoosta [38]1 year ago

5 0

Answer:

Step-by-step explanation:

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Which is the first step in simplifying the expression?

Elenna [48]

$\dfrac{3}{2 + \sqrt{2} }$

To rationalise the denominator, this is a standard step:
$= \dfrac{3}{2 + \sqrt{2} } \times \dfrac{2 - \sqrt{2}}{2 - \sqrt{2}}$

Answer: Option A

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Let me continue to complete the question, though it is not ask for

$= \dfrac{3(2 - \sqrt{2})}{(2 + \sqrt{2)}(2 - \sqrt{2}) }$

$= \dfrac{3(2 - \sqrt{2})}{4 - 2 }$

$= \dfrac{6 - 2\sqrt{2}}{2 }$

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The order of operations

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There are 8 women and 3 awards. 8×3=24. B. 24 Ways.

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Find the range of g(x)=x²+2 for the domain {0,2,5,9}

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Here're the answers:
g(0)=(0)^2+2
g(0)=2
g(2)=(2)^2+2
g(2)=6
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g(9)=(9)^2+2
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Hope this helps!

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3 years ago