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

The plates at the local restaurant have a diameter of 6.3 inches. What is the circumference of the plates? Use 3.14 for π. A. 12.6 inches B. 18.9 inches C. 19

5ex+1-3=12 how can I solve this ?

how much of the earth is covered by land

How does DNA barcoding help protect endangered species from human activities?

All of the following are examples of behaviors except __________. A. walking B. cheering C. dreaming D. playing games

Once a bill passes the House of Representatives _____. it becomes law it goes through the same big process in the Senate it is changed in the Senate, passed

rulers of the zhou dynasty established the mandate of heaven to what

Please answer these questions 1. What element is the red blob of atoms2. How many natural elements are there3. An element is an arrangement of atoms in a partic

Help me plz with problem I need a lot of help with it

Fat around organs A. Chemical messenger B. Protection C. Structure of cell membranes