3 years ago

I don’t get how you get a and b

1 answer:

6 0

For this question, you will now need to solve for both a and b, you can break down the expression that they want you to find:

(a^2-b^2)/(a-b)
= (a+b)(a-b)/(a-b) (Difference of squares)
= a+b (The (a-b) is common at the top and bottom so they will cancel

Now a+b =
Therefore the answer is (C)

You might be interested in

I need my smart homies to answer this question for me !

ella [17]

Answer:

Part A: chosen method is by factoring

Part B: First rewrite the equation by writing -24 as a difference so you get x² -9x - 15x + 135 = 0. Then factor out the x and the -15 from the equation so you get x(x-9) - 15(x-9) = 0. Then factor out x-9 from the equation so you have (x-9)(x-15) = 0. Finally, set each expression to 0: x-9=0 and x-15=0 and then solve: x=9 and x=15

Part C: x=9, x=15

4 0

3 years ago

What are three 2-digit numbers that divide into 1520?

vlada-n [284]

1520 ÷ 10 = 152

1520 ÷ 20 = 76

1520 ÷ 40 = 38

7 0

3 years ago

What is the area of the rectangle? rectangle on a coordinate plane. rectangle has vertices at begin ordered pair 1 comma 3 end o

miv72 [106K]

<span>it is the letter b because if you count closly you will see

</span>

7 0

3 years ago

What is the volume of a sphere with a radius of 3 inches?

Contact [7]

Answer:

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

How are the mean and median affected when the value 5 is included in the data set belo

Kobotan [32]

Answer:

The mean increases and the median changes to 4.

Step-by-step explanation:

To find the mean. You need to add all of the numbers together then divide by how many numbers there are. The median is found by the middle number.

3 0

2 years ago

Read 2 more answers