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Sliva [168]
3 years ago
8

(5a^3-2a^2)+(6a^3+9a^2+8a)

Mathematics
1 answer:
Gnom [1K]3 years ago
8 0

Answer:

11a^3 + 7a^2 + 8a

Step-by-step explanation:

( 5a^3 - 2a^2 ) + ( 6a^3 + 9a^2 + 8a )

= 5a^3 + 6a^3 + -2a^2 + 9a^2 + 8a

= 11a^3 + 7a^2 + 8a

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The sizes of the angles in degrees of the quadrilateral are
luda_lava [24]

Answer:

5x+120

Step-by-step explanation:

first you add the 2x x and x and x that would get you 5x and then add the 20 and 10 and 80 that would get you 120

3 0
3 years ago
Answer asap!!! which equation could be used to find the perimeter of a rectangle that has a width of 10 inches and a length of 2
Arlecino [84]

Answer:

d. p = 2*20 + 2*10

Step-by-step explanation:

You know to find the perimeter, just add side + side + side + side.

And two pairs of sides on a rectangle are congruent, so the missing side lengths based on the width and length, will be 20 & 10.

So add 20 + 20 + 10 + 10.

To simplify this, say 2*20 and 2*10. And then add them.

So it is D

5 0
3 years ago
I have an idea on how to do this I just need to make sure it’s right or not but I’ll mark you!
Akimi4 [234]

Answer:

I think it's 300

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
100.5 divided by 1.5
wariber [46]
The answer to 100.5 divided by 1.5 is 67
5 0
3 years ago
1.
mr_godi [17]
Plug the points into the equation.
Ex. y=3x-5
(X,y)
1. (5,10): 10=3(5)-5
15-5=10; point 1 is valid
-1=3(-2)-5
-1=-6-5
-1 does not equal -11
Point 2 is not valid
Same process for letter B
8 0
3 years ago
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