haley789 haley789

16-05-2020
Mathematics

contestada

Solve for a
-8 = a(2+5)^2 +41
A. -1
B. 1
C. -2
D. 2

Respuesta :

Chelboy Chelboy

16-05-2020

Answer:A

Step-by-step explanation:

-8=a(2+5)^2 + 41

-8=a x 7^2 + 41

-8=a x 7 x 7 +41

-8=49a+41

Collect like terms

-8-41=49a

-49=49a

Divide both sides by 49

-49/49=49a/49

-1=a

a=-1

Answer Link

Otras preguntas

The quantity t1/2=τ ln 2 is called the half-life of an exponential decay, where τ=RC is the time constant in an RC circuit. The current in a discharging RC circ

Who initially conducted most electronic surveillance?

Find the dolphin's rate in miles per hour Find the dolphin's rate in miles per hour.

What are chemical reactions?

What is a improper fraction of 2 4/15

What is necessary to be a doctor assistant

The ratio of the hours the Teenage Mutant ninja spend training to the hours they spend eating pizza is 8:3. If they spend 10 more hours per day training than ea

Math TaskA toy car costs#3. A toy truckcosts $4. Whichcosts morel, carslor 3 trucks? Explain

A cable car starts off with n riders. The times between successive stops of the car are independent exponential random variables with rate λ. At each stop one r

Formal education that involves instruction by specially trained teachers who follow officially recognized policies is called a.schooling. c.home schooling. b.sc