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Juliette [100K]
3 years ago
11

Find the product. (a2)(2a3)(a2 – 8a + 9)

Mathematics
1 answer:
eimsori [14]3 years ago
3 0
Answer: -72a^3 +108a^2
Collect like terms
(2a)(6a)(2a-8a+9)= (2a)(6a)(-6a+9)=12a^2(-6a+9)
= -72a^3 +108a^2
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Consider the graph of the line y = .5x- 4 and the point
Katena32 [7]

Answer:

slope of parallel line and perpendicular line are 5 and -1/5 espectively

equation of parallel and perpendicular line are y = 5x + 22 y= \frac{-1}{5} x+\frac{6}{5} respectively

Step-by-step explanation:

y = 5x - 4 is in the form

y = mx + c

where m is the slope of the line and c is the y intercept of thr line

therefore slope of the line = 5 and y intercept = -4

when an another line is parallel to the given line then the slope of both the lines are equal

therefore the slope the parallel line = 5

equation of a line passing through a given point (x_{1} ,y_{1}) with slope m is given by y-y_{1} = m(x-x_{1} )

given (x_{1} ,y_{1})= (-4,2)

therefore equation of line y-2 = 5(x+4)

therefore y = 2+ 5x+20

y = 5x + 22is the eqaution of required line.

when two lines are perpendiculer then

m_{1} m_{2}=-1

where m_{1} and m_{2} are slope of the lines therefore

m×5=-1

therefore m= \frac{-1}{5}

therefore eqaution of line passing through (-4,2) and with slope m= \frac{-1}{5} is given by y - 2= \frac{-1}{5} (x+4)

y= \frac{-1}{5} x+\frac{6}{5}

3 0
3 years ago
What is the measure of 23 <br> 33<br> 113<br> 157
AURORKA [14]

I dont know

Step-by-step explanation:

I dont know this because this picture doesn't dose not show me the measure of 23

4 0
3 years ago
How can I simplify this expression 2x-y+5x
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7x-y because you can combine the 2x and 5x
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Blake simplified the expression (StartFraction x Superscript 12 Baseline Over x Superscript negative 3 Baseline EndFraction) Sup
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Answer:

D.

Step-by-step explanation:

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The ruler is marked at every 1/16 inch. Do the labeled measurements convert to repeating or a terminating decimals?
dolphi86 [110]

the anwser to your question would be a terminating and not repeating decimal

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2 years ago
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