mutshinkx mutshinkx

26-02-2021
Mathematics

contestada

If (a+b)(a-b)=21,a+b=7 and a-b=3 what Is the value of a

Respuesta :

sammy9na sammy9na

26-02-2021

Answer:

monke ^2

Step-by-step explanation:

some nword with a glock

Answer Link

Otras preguntas

Jorge purchased a copyright for use in his business in the current year. The purchase occurred on July 15th and the purchase price was $67,500. If the patent ha

When the dollar depreciates, each dollar buys a. more foreign currency, and so buys more foreign goods. b. less foreign currency, and so buys fewer foreign go

PLEASE HELP ME ASAP! IT’S urgent

Two pulses of exactly the same size and shape are traveling toward each other along a stretched rope; they differ only in that one is upright while the other is

R-P Packaging manufactured cellophane wrapping material that was used by Kern’s Bakery in packaging its product. Kern’s decided to change its system for packagi

Which of the following statements provides evidence of how petroleum has influenced human activity? The availability of petroleum changed the way people heat th

A researcher looking for gender differences in 3-year-olds observes a preschool class and records how many minutes children of each gender play with dolls. What

Alice and Bob sit on a see saw, that consists of a uniform beam of mass 20kg and a fulcrum rock, that acts as a pivot point. The length of the beam is 8m. The m

compose a dialogue between two friends about the importance of library in school.

A/an ________ attribution is made when we blame an individual's behavior on the situation; A/n ________ attribution is made when we blame the individual's beha