2 years ago

9. Jeremy has incorrectly simplified the expression below. Correct his mistake.

1 answer:

7 0

5(y + 7) - 29 - 2
= 5y + 35 - 27
= 5y + 8

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Viefleur [7K]

$\tt\sqrt{120}= \sqrt{4\cdot30}=\sqrt{4}\cdot\sqrt{30}=2\sqrt{30}\approx2\cdot5.5\approx11$

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3 years ago

Y_Kistochka [10]

8 is the answer, because 4 x 8 = 32

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3 years ago

NeX [460]

9514 1404 393

Answer:

Step-by-step explanation:

Angle E is congruent to angle C, so is the value required to make the sum of angles in triangle ABC be 180°.

∠E = 180° -118° -30° = 32°

The value of x is 32.

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2 years ago

mihalych1998 [28]

<span>The intersection or point of intersection</span>

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3 years ago

ExtremeBDS [4]

The given expression is

$2x^3-16x^2-40x=0$

We extract the common factor 2x.

$\begin{gathered} 2x(x^2-8x-20)=0 \\ 2x=0\rightarrow x=0 \\ x^2-8x-20=0 \end{gathered}$

The first solution is 0.

Now, we solve the quadratic expression. We have to find two numbers whose product 20 and whose difference is 8. Those numbers are 10 and 2.

$x^2-8x-20=(x-10)(x+2)$ <h2>Hence, the given expressions expressed, as factors, is</h2> $2x^3-16x^2-40x=x(x-10)(x+2)$

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1 year ago