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3 years ago

9

Need this answer ASAP

1 answer:

quester [9]3 years ago

3 0

Answer:

B. $\sqrt{65}$

Step-by-step explanation:

Find the missing length by subtracting 5^2-3^2 to get 4^2.

Then do 4^2+7^2 to get 65

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Simplify by rationalizing the denominator.<br> 15√2 / √270

ladessa [460]

$\frac{ \sqrt{15} }{3}$ ✅

Step-by-step explanation:

$\frac{15 \sqrt{2} }{ \sqrt{270} } \\ \\ = \frac{15 \sqrt{2} }{ \sqrt{270} } \times \frac{ \sqrt{270} }{ \sqrt{270} } \\ \\= \frac{15 \sqrt{2} \times \sqrt{270} }{270} \\\\ (∵ \sqrt{a} \times \sqrt{a} = a) \\\\ = \frac{15 \sqrt{540} }{270} \\ \\= \frac{ \sqrt{2 \times 2 \times 3 \times 3 \times 3 \times 5} }{18} \\ \\ = \frac{ \sqrt{ {2}^{2} \times {3}^{2} \times 15 } }{18} \\ = \frac{2 \times 3 \sqrt{15} }{18} \\ \\ = \frac{6 \sqrt{15} }{18} \\ \\ = \frac{ \sqrt{15} }{3}$

$\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{♡}}}}}$

7 0

3 years ago

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Which choice is equivalent to the quotient shown here for acceptable values of x?

Degger [83]

Answer: OPTION D

Step-by-step explanation:

You need to remember this property:

$\frac{\sqrt{x} }{\sqrt{y} }=\sqrt{\frac{x}{y} }$

And remember that:

$\frac{a}{a}=1$

Then, the first step is rewrite the expression:

$\frac{\sqrt{30(x-1)} }{\sqrt{5(x-1)^2}}$ $=\sqrt{\frac{30(x-1)}{5(x-1)^2}} }$

Now, to find the corresponding equivalent expression, you need to simplify the expression.

Therefore, the equivalent expression is the following:

$\sqrt{\frac{6}{(x-1)}} }$

Finally, you can observe that this matches with the option D.

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Answer:

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Step-by-step explanation:

Just graph it I guess

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Step-by-step explanation:

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bezimeni [28]

He can have 13 attendees

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