ryanleongcy
ryanleongcy ryanleongcy
  • 03-03-2020
  • Mathematics
contestada

if a+b = 8, a²-b²=16, then ab is?​

Respuesta :

corin10121
corin10121 corin10121
  • 03-03-2020

Answer:

a=5 and b=3

Step-by-step explanation:

a+b=8

okay, so the numbers that can make 8 are 4+4, 5+3, 6+2, and 7+1

Try 5+3

so plug them in

5+3=8

5*5=25

3*3=9

25-9=16

that's your answer

Answer Link

Otras preguntas

Consider the reaction hc2h3o2(aq) h2o(l) → h3o (aq) c2h3o2–(aq). Which species is the conjugate acid?a. C2h3o2-(aq)b. H2o(l)c. H3o (aq)d. Hc2h3o2(aq)e. Two of t
What is the volume, in cubic meters, of a rectangular prism that has a length of 22 meters, a width of 4 meters, and a height of 8 meters?
Find the value of x
If 15. 1 ml of the barium hydroxide solution was needed to neutralize a 2. 22 ml aliquot of the perchloric acid solution, what is the concentration of the acid?
could i have some really really quick help?
1. Which of these was a MAIN purpose of the Freedmen’s Bureau? a. get former slaves elected b. punish southern plantation owners c. provide assistance to for
Ann has the diagnosis of anorexia nervosa, the restricting type. What does this diagnosis mean to the team of professionals that is going to treat her
What is the main goal of the pacific region coastal program? a. to end fishing along the pacific coast b. restore wetland and forest habitats c. provide jobs d.
what is the fraction of the recurring decimal 0.1 in its simplest form
A line passes through the two points (-4,6) and (2,-5). Calculate the following parts: