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cluponka [151]
3 years ago
8

Multiply (a-2)(2a^2-5a-2)​

Mathematics
1 answer:
sergey [27]3 years ago
8 0

Distribute sum groups

a(2a^2 - 5a - 2) - 2(2a^2 - 5a - 2)

Expand

2a^3 - 5a^2 - 2a - (4a^2 - 10a - 4)

Simplify brackets

2a^3 - 5a^2 - 2a - 4a^2 + 10a + 4

Collect like terms

2a^3 + (-5a^2 - 4a^2) + (- 2a + 10a) + 4

Simplify

<u>= 2a^3 - 9a^2 + 8a + 4</u>

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C) $20
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3 years ago
Is Y=9/3x+2 proportional or no nonprotional
Fiesta28 [93]

Answer:

Non proportional

Step-by-step explanation:

y = mx = proportional

y = mx + b = non proportional

y = mx + b

y = 9/3x + b = non proportional

Hope that helps!

3 0
2 years ago
PLEASE HELP AGAIN WILL MARK BRAINLEST !!!!!
Archy [21]

Answer:

3

Step-by-step explanation:

g(-1) means what is g(x) when x=-1.

So find -1 under the column labeled x and then scroll directly to the right of that and you should see what g(-1).  It is 3

Here are my examples:

g(-8)=6

g(-5)=-2

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7 0
3 years ago
a woman put $580 into a savings account for one year the build of interest on the account was 6 and a half percent how much was
vovikov84 [41]
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7 0
3 years ago
Find the slope and the y-intercept of the graph of y+1=4/3x.
riadik2000 [5.3K]

Answer:

Slope = 4/3x; y-intercept = -1

Step-by-step explanation:

y + 1 = 4/3x

You have to write this equation in slope-intercept form (solve for y) if you want to find the slope and y-intercept

y + 1 = 4/3x

Subtract one from both sides

y + 1 - 1 = 4/3x - 1

y = 4/3x - 1

Now that we have the equation, you can now find the slope and y-intercept

y = mx + b; m is the slope and b is the y-intercept

So for y = 4/3x - 1, the slope is 4/3x and the y-intercept is -1

5 0
3 years ago
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