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2 years ago

Anyone understand this? i need help :((

Mathematics

1 answer:

Zinaida [17]2 years ago

5 0

Answer:

(-9,8)

(-2,8)

(-1,8)

(0,8)

(7,8)

hope this helped you :)

Please mark me brainiest

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Simplify the following radical <br> Sqrt 126x^13

fenix001 [56]

Answer:

$\large\boxed{\sqrt{126x^{13}}=3x^6\sqrt{14x}}$

Step-by-step explanation:

$Domain:\ x\geq0\\\\\sqrt{126x^{13}}=\sqrt{9\cdot14\cdot x^{12+1}}\\\\\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=\sqrt{9\cdot14\cdot x^{12}\cdot x^1}=\sqrt{9\cdot14\cdot x^{6\cdot2}\cdot x}\\\\\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\ \text{and}\ (a^n)^m=a^{nm}\\\\=\sqrt9\cdot\sqrt{14}\cdot\sqrt{(x^6)^2}\cdot\sqrt{x}\\\\\text{use}\ \sqrt{a^2}=a\ \text{for}\ a\geq0\\\\=3\cdot\sqrt{14}\cdot x^6\cdot\sqrt{x}=3x^6\sqrt{14x}$

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3 years ago

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anastassius [24]

Answer:

I believe it's A

Step-by-step explanation:

I'm not sure sorry if its wrong

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3 years ago

I need help with this question

Dafna1 [17]

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r+b needs to equal 11

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3 years ago

Lucy used 3 gal of paint to cover 900 ft. She needs to cover a total of 1,100 ft?.

insens350 [35]

Step-by-step explanation:

3 gal = 900 ft

... gal = 1100 ft

So, each gal is used for cover 300 ft,

Then,

$\sf \frac{1100}{900} \times 3 = \frac{11}{3} = \boxed{ \bold{ \red{3 \frac{2}{3} \: gal}}}$

We need <u>3 2/3 gal</u> to cover 1100 ft.

Hope it helps!

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2 years ago