20ahumphreys 20ahumphreys

06-06-2020
Mathematics

contestada

1. Find the product: (4 + 6i)(7-2i)
a. 11 + 4i
b. 28 - 12i
c. 40 + 34i
d. 62 - 12i

Respuesta :

tatiklisek tatiklisek

06-06-2020

Answer:

c

Step-by-step explanation:

(4 + 6i)(7-2i)=

28-8i+42i-12i^2

i^2=-1, so

28+12-8i+42i

40+34i

answer is c

Answer Link

Otras preguntas

what is the horizontal asymptote of f(x)=-2x/x+1 A.-2 B.-1 C.0 D.1

A strong economy depends on.. A.many investors speculating. B.many banks giving many people loans. C.most consumers buying on credit. D.most people’s confidence

I need help with this! Please at least help me with the ones you know!?

amber ask her dad to co-sign her loan. if she makes a late payment what will happen

Anita y yo _______ al tenis después de clases. (2 points) Question 10 options: 1) juega 2) juegas 3) juego 4) jugamos

In what ways are humanism and democracy similar

Which is the correct MLA format for a works-cited page entry for an Internet article? A.Megan Ross. "What Makes Smartphones So Smart?" The Technology Times. Th

Which sum does the model below represent? a. 4 + (-7) = -3 b. 4 + 7 = 11 c. 8 + (-3) = 4 d. 11 + (-4) = -3

One important cause of the two-party system in the united states is

Which situation is the most likely result of a price ceiling being set below the equilibrium price? a.decreased demand b.a surplus in the market c.a shortage in