arinkim007
arinkim007 arinkim007
  • 20-03-2018
  • Mathematics
contestada

Help for number 5 please

Help for number 5 please class=

Respuesta :

backseatdog
backseatdog backseatdog
  • 20-03-2018
6i^4 = 6*1 = 6
6i^3 = 6*(-i) = -6i
-2i^2 = (-2)*(-1) = 2
sqrt(-49) = 7i

So, we have: 6 - 6i + 2 + 7i = 8 + i
The answer is D

Answer Link

Otras preguntas

Sabrina rode on a Ferris wheel at the state fair. The radius of the Ferris wheel was 140 feet. What is the approximate distance Sabrina traveled in one revoluti
What is the common denominator as a fraction of 5/12 and 3/5
When judging people, we often focus on how closely they fit with our stereotypes of particular groups. because of this we often make errors based on the?
(3y^0 x^2)^6 times y^-3 zx8
the group of people who work to get a candidate into office
aaron bought a $3000.00 car from chad used cars. what was his cost of credit if he had a 4 year loan at 3.5% interest
Justify the kinds of situation when confidentiality protocols must be breached
what three tasks does forensic scientists have
In the 1976 presidential election, jimmy carter defeated opponent gerald ford walter mondale ronald reagan
helpppp Solve for c -1/8c=2 A. -16 B. -4 C. 4 D. 16