lilyyy16 lilyyy16
  • 02-12-2020
  • Mathematics
contestada

What is the value of (7 +21)(3 - i)?

Respuesta :

sabrin12A sabrin12A
  • 02-12-2020
(7+21)=28

28(3-I)=

28•3 =84

28•I=28i

28/84=3,5

3,5=I
Answer Link

Otras preguntas

Why did countries not allow Jewish refugees asylum?
Read the passage. And thus they fought all the long day, and never stinted till the noble knights were laid to the cold earth. And ever they fought still till
Lines f and g are cut by the transversal d. The measure of 1 = 2x + 35 and the measure of 8 = 10x - 85. What value of x will show that lines f and g are paral
PLEASE HELP ASAP!!! What is the value of a?
Maria wants to determine which type of disinfectant kills the most bacteria. Which of the following is the best way for Maria to determine this? A. Ask ten di
"She is his Achilles' heel" is an example of... Question 3 options: A allusion B alliteration C simile D personification
Read the passage, then use the explanation to infer the meaning of the word predominant. The novel was so popular that it was eventually added to a list of boo
Breana is selling tickets to a choral performance. On the first day of ticket sales , she sold 3 senior citizen tickets and 1 child ticket for a total of $38.
simplify the following expression 48^1/2
Please solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x