27rmilam 27rmilam

18-03-2021
Mathematics

contestada

if x equals 3 what is 7x to the second power+ 2x

Respuesta :

wergompol23869 wergompol23869

18-03-2021

Answer:

447

Step-by-step explanation:

7x = 21

2x = 6

21^2+6

441 + 6

447

Answer Link

Otras preguntas

Perform the indicated operation. 11(-2) -22 9 22 -9

two basic properties of liquid phase are

What does c equal to in the problem A=b(c-d)

determine which ordered pair satisfies the system of linear equation [tex]y = 3x - 2[/tex][tex]y = - x[/tex];(1,4) , (2,9) ,(1/2,-1/2)

which one to choose ?(please tell me if u have trouble seeing)

Verb changing o to ue sonar

Why is it difficult to develop a policy for the disposal of spent fuel rods? (1 point) The rods remain radioactive for thousands of years, so storage is a diffi

Need Help. Any help is appreciated :) Which statement is correct? “Leaf disks normally float, however when the air spaces are infiltrated with carbon dioxide, t

A piece of yarn is 60 cm long. The yarn is cut so that one piece is five times the length of the other piece. How many centimeters long is the shorter piece?

What is equal to the number of particles in 24 grams of carbon- 12