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Novay_Z [31]
3 years ago
6

Find the sum (a-b)(2a+4b)

Mathematics
1 answer:
Mama L [17]3 years ago
7 0
(a-b)(2a+4b) = 2a² - 2ab + 4ab - 4b² =  2a² + 2ab - 4b²
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Work shown in the image.

3 0
3 years ago
What is the answer to this equation?<br> 1/2 (4i+8)=-2
Flauer [41]

Answer:

If your looking for I the answer is -3

Step-by-step explanation:

Simplify both sides of the equation

1/2(4i+8)=-2       - Distribute

(1/2) (4i) + (1/2) (8) = -2

The subtract 4 from both sides

Then divide both sides by 2

5 0
3 years ago
PLEASE HELP W/ THIS ASAP!!
Leni [432]

Answer:

- 1.375

Step-by-step explanation:

Each dot is worth -1/8 of a unit when moving left.

So the coordinates of the dark dot are - 1 and - 3/8

or - 1.375 . The word coordinates (plural) bothers me. It all depends on how you have been asked to represent these points. Another possibility is (-1.375,0). You have to choose from the examples you have been given. I wouldn't do that because you have not been given and xy graph.

3 0
3 years ago
The ratio of the number of boys and girls in a college is 7:8. If the percentage increase in the number of boys and girls be 20%
Lerok [7]
The new ratio would be 21:22
7 0
3 years ago
Given y = alog(x + c) + d. What would happen to the graph if you changed the value of d? Describe both positive and negative
MariettaO [177]

Answer: A

Step-by-step explanation:

I just took the USATESTPREP quiz and that is the answer.

6 0
3 years ago
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