3 years ago

A,(a+b)×(a+b)

Mathematics

1 answer:

SVETLANKA909090 [29]3 years ago

3 0

Answer:

a)a^2+2ab+b^2

b)a^2-b^2

c)a^2-b^2

d)a^3+3a^2b+3ab^2+b^3

e)a3-3a^2b+3ab^2-b^3

f)(a^3+b^3)

g)(a^3-b^3)

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What is the common difference between the elements of the arithmetic sequence below?

Dennis_Churaev [7]

The sequence:

-18 , -22.5 , -27 , -31.5 , -36

Common difference:

(-18 - -22.5) = (-22.5 - -27) = (-27 - -31.5) = (-31.5 - -36) = 4.5 ( When two minuses come together, they make a plus. So difference is certainly the positive next number - positive previous number to give 4.5)

Common difference = 4.5

Type of the sequence: Arithmetic sequence.

8 0

3 years ago

Amy raises $58.75 to participate in a walk-a-thon. Jeremy raises $23.25 more than Amy. Oscar raises 3 times as much as Jeremy. H

alexira [117]

Hope you can read my handwriting for the work. But it all ends up coming down to Oscar raises $246.00,
You add what Jeremy raises to how much Amy raises and multiply the sum by 3.
Hope I helped!!!