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

Ethan pays 52.80 for some more f the boxes work out the number of boxes he buys 1 box 2.40 2 4.80 and 5 12 10 24

Mikes favorite peaches are $2.50 per pound at the local farmers market. She bought 13.5 pounds. how much did she spend?

Suppose that 0.95 g of water condenses on a 75.0 g block of iron that is initially at 22 °c. if the heat released during condensation is used only to warm the i

Question 8 (1 point) Question 8 Unsaved Elige la respuesta mejor (best). ¿Cuál frase describe una cieta a ciegas? Question 8 options: A) conocer a una persona

Solve by graphing y=x y=5x

Please i need some help

In "choice: a tribute to dr. martin luther king, jr.," what was the most important thing dr. king gave to alice walker?

Select independent or not for each situation [CHECK MY ANSWERS PLEASE!!]

What was one of the events that led to U.S. involvement in WWI? a. U.S. troops were captured after they were sent on a peace seeking mission. b. Germany sunk

Which kind of speech does the government limit on radio and television broadcasts?