jonah02456 jonah02456

27-05-2020
Mathematics

contestada

Factorize a^2–b^2 Hence find the exact value of 2557^2-2547^2

Respuesta :

alamkamrul131 alamkamrul131

27-05-2020

Answer:51040

Step-by-step explanation:a^2-b^2=(a+b)(a-b)

2557^2-2547^2

(2557-2547)(2557+2547)

(10)(5104)

51040

Answer Link

PollyP52 PollyP52

27-05-2020

Answer:

51,040.

Step-by-step explanation:

a^2–b^2 = (a - b)(a + b) so

2557^2-2547^2 = (2557-2547)2557+2547)

= 10 * 5104

= 51,040.

Answer Link

Otras preguntas

What did the north believe about the war when it first started?

What is the force behind the process known as "transpiration" in plants?

What clue is given about Framton early on that foreshadows his reaction at the end of the story? A. He's in poor health. B. He wants to flatter Vera. C. He's a

How do the effects of climate change differ from the effects of habitat alteration, invasive species, overharvesting and pollution?

Which weapon played a major role in the defeat of the Inca by the Spanish? A. artillery B. machine guns C. tanks D. landmines

When aaron and terry argue, aaron's all-too-frequent strategy is to belittle terry for getting pregnant at an early age, dropping out of high school, and giving

May buy a television for $330. The tax rate is 8%. What is the total amount paid for the television?

Which sentences in this excerpt from Arthur Conan Doyle's "The Contest" suggest that the author’s tone is mocking? The blue-clad player struck several chords up

The painting School of Athens by Raphael uses the linear perspective technique. What characteristic does the painting contain? a. Some objects in the painting a

Lincoln's "10 Percent Plan" (Presidential Reconstruction) dealt with Question 6 options: (a) his idea for instituting an income tax. (b) re-admitting Southern