bellaplaza bellaplaza

23-06-2014
Mathematics

contestada

(8-2i)(5+i)

A.38-18i
B. 38
C. 40+2i
D. 42-2i
E. 42

Relax

Respuesta :

crisforp crisforp

15-07-2014

( 8 - 2i ) * ( 5 + i ) = 40 + 8i - 10i - 2* i^2 = 40 -2i - 2 * ( -1 ) = 40 + 2 - 2i = 42 - 2i;
THE ANSWER IS D. 42 - 2i

Answer Link

Otras preguntas

Help ASAP!! Geometry - Find the volume of the solid. (FSSS!) Round answers to the nearest hundredth.

Solve for x to the nearest degree.

Find an equation in slope-intercept form of the line that has slope 2 and passes through point A(-3. - 1)

Select the correct texts in the passage. Which two sentences best state the author's thesis? from Canyons of the Colorado by John Wesley Powell The wonders of t

Deindustrialization affects the economic landscape of countries. Describe the change in the dominant economic sector during industrialization and during deindus

please help me i need a good grade

How did Genghis Khan become the leader of the Mongol nation? He used his wealth to buy loyalty. He won a civil war against the other Mongol leaders. He made an

Which of the following were methods that Marcus Whitman used to promote settlement in the Paci A. He assured the settlers of peaceful relations with the Native

Can someone please help me with this

can you help me find the anwsers