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

A boy throws a stone vertically up into the air. What are the energy changes that take place as the stone falls to the ground?​
By the distributive law 49 x 17 + 49 x 3=
please help me asap. We must abolish Daylight Saving Time. The practice of adjusting our clocks back in the fall and forward in the spring must not continue. Fi
Help please Read the excerpt from a creative nonfiction assignment. The dog trotted behind me as I hiked through the woods. A dog is a loyal companion, I thoug
Two gymnasts are running toward each other in a floor routine, and they plan to precisely time a flip to stay synchronized for the audience. The path of the gym
A bottle holds 5 55 milliliters of perfume. How many bottles can we fill with 2 22 milliliters of perfume?
the amount of money sue needs to pay (m) equals $30 to go to an apple orchard and pick apples plus $5 for every bushel of apples (b) she takes home
How many 1/4 minutes are there in 3/4 minutes?
Why does carbonic acid gives an acid salt but hydrochloric acid does not?​
Analyze the relationship between total internal reflection and the critical angle.