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liq [111]
4 years ago
15

What is the value of x?

Mathematics
1 answer:
sergejj [24]4 years ago
3 0

Answer:

Rounded:

200 cm.

Un-Rounded:

160

or

170


Step-by-step explanation:

8 cm times 10 cm and a estimated 80 cm or 90 cm, and you get 160 cm or 170 cm.


Hope this helped, I need brainliest answer to rank-up.

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What are the solutions to the quadratic equation (5y+6)2=24
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The value of y is, y=\frac{2\sqrt{6}-6}{5},\:y=\frac{-2\sqrt{6}-6}{5}

We have given that,

\left(5y+6\right)^2=24

We have to determine the value of y,

<h3>What is the formula for the quadratic equation?</h3>

\mathrm{For\:}\left(g\left(x\right)\right)^2=f\left(a\right)\mathrm{\:the\:solutions\:are\:}g\left(x\right)=\sqrt{f\left(a\right)},\:\:-\sqrt{f\left(a\right)}

Therefore,we get

5y+6=\sqrt{24}

5y+6=2\sqrt{6}

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5y+6-6=2\sqrt{6}-6

5y=2\sqrt{6}-6

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y=\frac{2\sqrt{6}-6}{5},\:y=\frac{-2\sqrt{6}-6}{5}

Therefore the value of y is,

y=\frac{2\sqrt{6}-6}{5},\:y=\frac{-2\sqrt{6}-6}{5}

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