lailaw92 lailaw92
  • 22-05-2021
  • Mathematics
contestada

If mn = 16 and m^2 + n^2 = 68 then (m+n)^2 =

A. 68
B. 100
C. 84
D. Can’t be determined

Respuesta :

Аноним Аноним
  • 22-05-2021

Answer:

B.   100

Step-by-step explanation:

(m + n)^2

= m^2 + 2mn + n^2

Rearrange

(m^2 + n^2) + 2mn

Substitute

(68) + 2*16

= 68 + 32

= 100

Answer Link

Otras preguntas

A number decreased by 4 is less than 14?
By which name was William the Conqueror known in his native land?
the product of two consecutive positive even integers is 14 more than their sum
A number decreased by 4 is less than 14?
What is a simple sentence using the word STAID? The sentence must make sense. Staid - ADJ - characterized by dignity and propriety; respectable
What is the median for each set of numbers such as 75,79,81,82.
Volume , mass, and weight can be measured with balances, scales, and ?
How do you solve, 7/9+1/2-3/2+2/9 ?
Three consecutive even numbers add up to a number between 100 and 120. What might the numbers be?
Volume , mass, and weight can be measured with balances, scales, and ?