brookesieck
brookesieck brookesieck
  • 02-09-2020
  • Mathematics
contestada

3. Given: a+b=12 and ab=9
Use (a + b)2 to find a² +bº. (Do not solve for a and b individually)

Respuesta :

surjithayer10 surjithayer10
  • 02-09-2020

Answer:

a²+b²=126

Step-by-step explanation:

(a+b)²=a²+b²+2ab

(12)²=a²+b²+2×9

144=a²+b²+18

a²+b²=144-18=126

Answer Link

Otras preguntas

Write the differences between moral and civil duties with examples.​
for my health class lol, i don't know what to say to this besides apologize ?
which type of fingerprint is shown below? (attachment)
Given the following scores on a 30-point quiz, what is the frequency of a score of 27? 21, 27, 20, 29, 23, 21, 21, 27, 26, 25 A. 3 B. 4 C. 1 D. 2
in naruto shippuden who killed jeraya (perve saige)
I NEED HELP WITH NUMBER 7 I WILL GIVE BRAINLIEST HELP ME
can someone help me with this it would really make my day go right
A fair coin is flipped three times. Find the probability of getting heads all three times.
Why is this a Jim Crow Law Explain? The warden shall see that the white convicts shall have separate apartments for both eating and sleeping from the African-Am
6. Six people are running a race. In how many different ways can they finish first and second? A. 2 B. 12 C. 30 D. 36