1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
jolli1 [7]
3 years ago
13

Which expression is equivalent to √-80? 4√5 -4√5 -4i √ 5 4i √ 5

Mathematics
1 answer:
miskamm [114]3 years ago
6 0

Answer:

  4i√5

Step-by-step explanation:

\sqrt{-80}=\sqrt{(-1)(16)(5)}=\sqrt{-1}\cdot\sqrt{16}\cdot\sqrt{5}=4i\sqrt{5}

You might be interested in
Plzz help i dont understand
tangare [24]
There's no picture up
7 0
3 years ago
What is the slope of the line through the given points:
telo118 [61]

Answer: slope is 1

equation: 1x-2 or x-2

I hope this is good enough:

3 0
3 years ago
Read 2 more answers
Of the 80 boys polled at lunch, 55% say they play video games daily. According to the poll, how many boys play video games daily
alexdok [17]

55% = \frac{55}{100} = \frac{11}{20}

Multiply \frac{11}{20} by 80 and you will get how many boys play video games daily.

\frac{11}{20}*80=\frac{11}{1}*4=11*4=44

44 is the number of boys who play video games daily.

8 0
3 years ago
An internet service provider changes an initial fee of $65 and $18 per hour of labor for office internet installation. Which equ
OlgaM077 [116]
<h2>Answer:</h2><h2>The total cost (C) charged by the internet service provider = $65 + $18(n)</h2>

Step-by-step explanation:

Initial fee charged by the servic eprovider = $65

Cost per hour of labor for office internet installation = $18

The cost per hour be $18

Cost per two hours = 18 * 2 = $36

Cost per n number of hours = $18 (h)

where h represents the number of hours

The total cost (C) charged by the internet service provider = $65 + $18(n)

5 0
3 years ago
Christopher mixes gallon of red paint with 5/8 gallon of blue paint to make
Cerrena [4.2K]

Answer:1 3/8

Step-by-step explanation:

1 gallon + 5/8 gallon = 1 5/8 gallon

1 5/8 gallon - 2/8 gallon = 1 3/8 gallon left of purple paint

7 0
3 years ago
Other questions:
  • Gabriela buys a basket of coconuts on sale for $22 before tax. the sales tax is 12%.
    13·1 answer
  • HELP ASSAP WITH THIS QUESTION!!!!!!
    14·2 answers
  • Help with math please asap <br> 1. Solve the inequality <br> 1/5 + 1/3 X &gt; 1/2 X - 1/4
    13·1 answer
  • A florist has to choose four different types of flowers to include in a bouquet. In how many ways can the florist do this, if th
    8·1 answer
  • A vertex can represent
    8·1 answer
  • Can someone Please help me?
    9·1 answer
  • Please help, I need this quick.
    7·2 answers
  • Help pleaseeeeee!!!!!!!!!!!!!!
    10·2 answers
  • Zack has 18 socks in his drawer. 6 are blue, 6 are red, and 6 are green. How many socks will he need to pull out to be sure he g
    12·1 answer
  • A basketball player shoots when she is 16 ft from the backboard. Given the ball has an initial velocity v0 at an angle of 30° wi
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!