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3 years ago

Solve for x pls help

Mathematics

1 answer:

zepelin [54]3 years ago

5 0

Your answer would be

A) 20.3

i am not sure about this but yeah also can i have brainliest

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HELP PLEASE!!! Thanks!

Irina18 [472]

Answer:

2) $\frac{\sqrt{77}}{11}$

3) 5√2

Step-by-step explanation:

Simplest radical form of an expression is the expression in radical so that there are no more square roots, cube roots, 4th roots, etc left to find, after rationalising the denominator ( if needed ).

2. Here the given expressions,

$\frac{\sqrt{7}}{\sqrt{11}}$

For rationalising the denominator multiply both numerator and denominator by √11,

$\frac{\sqrt{77}}{11}$

3. given expression,

$\sqrt{50}$

$=\sqrt{25\times 2}$

$=\sqrt{25}\times \sqrt{2}$ $(\because \sqrt{ab}=\sqrt{a}\sqrt{b})$

$=5\sqrt{2}$

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3 years ago

3(2x+6)<br> Distributive Property

Ksivusya [100]

Answer:

6x+18

Step-by-step explanation:

Multiply 3 to all the numbers on the parenthesis

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2 years ago

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Solve for x with an explanation pls

Tatiana [17]

Answer: 9

Step-by-step explanation:

Use Pythagorean's Theorem for a right triangle.

$a^2+b^2=c^2$

$(\sqrt{63}) ^2+x^2=12^2\\63+x^2=144\\x^2=81\\x=9$

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Step-by-step explanation:

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3 years ago

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lianna [129]

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