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

Find Domain of the functionsquare root of (x-8)/x(x-9)

How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?

Scarcity is the condition of not having enough goods and services to satisfy everyone's?

How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?

Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?

Find Domain of the functionsquare root of (x-8)/x(x-9)

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?

How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?