challearbeel challearbeel

23-02-2018
Mathematics

contestada

Which expression is equivalent to 3i(4 + 7i)?

Respuesta :

mathmate mathmate

23-02-2018

3i(4+7i)=3i*4+21i^2=12i-21 (i^2=-1)

Answer Link

Janay1012 Janay1012

23-02-2018

the answer is 3i(4)+21i

I hope this helps

Answer Link

Otras preguntas

Which statement about Shays' Rebellion is false?A. Many among the Massachusetts militia joined the rebels.B. The central government provided troops to quell the

round 813 to nearest ten

If doughnuts are usually 75 cents each, but there is a sale on Friday advertising them as 1 ½ dozen for $10.80, what is the new cost for just one?

In 1916, Woodrow Wilson ordered General John J. Pershing to lead U.S. troops into Mexico to capture a. Porfirio Diaz. b. Pancho Villa. c. Francisco Madero. d

One of the major elements of natural selection is that all species have genetic a. digression b. Melanism c. stability d. variation

Given the equation −4x 10 = 2, which order of operations completely solves for x? A- Divide by −4, then subtract 10 B- Divide by 2, then subtract 10 C- Su

Old Lights and New Lights preachers both followed Protestantism. How did the two differ?

Which political party dominated politics in the northern U. S. from the election of Abraham Lincoln until the election of FDR in 1932? a. Republican b. Democr

The product of 6 and the sum of 3 and 20

round 813 to nearest ten