kayla3003
kayla3003 kayla3003
  • 01-11-2019
  • Mathematics
contestada

Simplify the expression. Write your answer as a complex number
2V25+ V-16
10+4i
10-4i
10 + 8i
10-3i

Respuesta :

a5904640
a5904640 a5904640
  • 01-11-2019

[tex]2\sqrt{25}+\sqrt{-16}[/tex]

[tex]2.5+\sqrt{-16}[/tex]

Since we have a negative root just put i outside and take the negative

[tex]10+i\sqrt{16}[/tex]

[tex]10+i.4[/tex]

[tex]10+4i[/tex]

Answer Link

Otras preguntas

What was the major purpose of the Truman Doctrine?
if Xx8=y is the rule,and the value of x is 4, what is the value of y
What is the answer to 12-2x6+2/2
a subway train starts from rest at a station and accelerates uniformly at 1.8m/s^2 for 15 sec. then it runs at a constant speed for the next 35 sec. before dece
The diameter of a cylinder is 6 feet 6 inches. The height of a cylinder is 12 feet 3 inches. What is the surface area?    (feet squared)What is the volume?
If 2/5 of a number is added to 1/3 of the same number ,the sum is 22. What is the number?
Jim has gotten scores of 99 and 93 on his first two tests. what score must he get on his third test to keep an average of 90 or greater
I figured out the 1st question but I do not understand the second one...please show me step by step! Thank you!
The diameter of a cylinder is 6 feet 6 inches. The height of a cylinder is 12 feet 3 inches. What is the surface area?    (feet squared)What is the volume?
What's the term for: unwilling to bend; unyielding