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timama [110]
3 years ago
7

Select the correct product.

Mathematics
1 answer:
AURORKA [14]3 years ago
7 0

Answer:

Option A. 2x^{3}+7x^{2}+12x-8

Step-by-step explanation:

we have

(x^{2}+4x+8)(2x-1)

Applying the distributive property

(x^{2}+4x+8)(2x-1) =x^{2}(2x)-x^{2} +4x(2x)-4x+8(2x)-8\\ \\=2x^{3}-x^{2} +8x^{2}-4x+16x-8\\ \\= 2x^{3}+7x^{2}+12x-8

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Find the number that makes the ratio equivalent to 1:6.<br> 9:__
klio [65]

Okay, what do we know?

1*6=6, right?

Well, then 9*6=? (you should know your math facts by now)

3 0
3 years ago
Write the equation of a line parallel to y= 2x + 2 that passes through the point (-1,-7). Show your work.
oksian1 [2.3K]

Answer:

\large\boxed{y=2x-5}

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

Parallel lines have the same slope. Therefore if given line is

y=2x+2

then the slope of our line is m=2.

We have the equation:

y=2x+b

The line passes through (-1, -7). Put the coordinsted pf the point to the equation:

-7=2(-1)+b

-7=-2+b          <em>add 2 to both sides</em>

-5=b\to b=-5

Finally:

y=2x-5

6 0
3 years ago
What two decimals are equivalent to 3.300​
LenKa [72]

Answer:

3,3 and 3,30

Step-by-step explanation:

No matter how many zeros you wax on or wane off, you will still have equivalent values.

I am joyous to assist you anytime.

6 0
3 years ago
Find the volume of the cone shown below.
BlackZzzverrR [31]

Answer:

D

Step-by-step explanation:

The formula for volume of cone is  V=\frac{1}{3}\pi r^2 h

Where

V is the volume

r is the radius of the circular base

h is the height of the cone

<em>In the diagram shown, we can clearly see that height is 12, radius is 9. We can simply plug them into the formula and get our exact answer (leaving pi as pi):</em>

<em>V=\frac{1}{3}\pi (9)^2(12)\\=324 \pi</em>

<em />

<em>correct answer is D</em>

6 0
3 years ago
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Which point is a solution to the inequality shown in this graph? (3,2) (-3,-6)
Angelina_Jolie [31]

Answer:

c

Step-by-step explanation:

8 0
3 years ago
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