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
kkurt [141]
3 years ago
6

20 points What is the square root of -16? -8i -4i 4i 8i

Mathematics
2 answers:
olga55 [171]3 years ago
8 0

Answer:

4i

Step-by-step explanation:

Negative numbers don't have real square roots since a square is either positive or 0. The square roots of numbers that are not a perfect square are members of the irrational numbers. This means that they can't be written as the quotient of two integers. So you have to use the "imaginary number", i.

Finger [1]3 years ago
3 0

Answer: 4i

Step-by-step explanation:

You might be interested in
The manager of a snack bar buys bottled water in packs of 35 and candy bars in packs of 20. Then, she sells the items individual
Zolol [24]
If you do 35 times 4 you get 140. Divide 140 by 20 and you get 7 . Therefore the manager would have to buy 7 packs of candy bars and 4 packs of water bottles
5 0
3 years ago
A publishing company has just published a new college textbook. Before the company decides the price at which to sell this textb
Kobotan [32]

Answer:b

Step-by-step explanation:

8 0
3 years ago
Which number is an integer, a whole number, and a counting (natural) number? a) 0 b) -1 c) 15 d) 0.5
velikii [3]
C. 15

-1 is not a natural number so B is not your answer

0.5 is not a whole number so D is not your answer

0 is not a natural number so A is not your answer
7 0
3 years ago
The interval (-1, 1) is best described as
Bad White [126]

Answer: There's an increasing interval between -1 and 1

While x goes from -1 to 1, the value of y increases (from -2 to 2).

7 0
2 years ago
there are 36 people in the newtown hiking club. 2/3 of the club must vote yes if the club is to hike the northern trail. 20 peop
ivolga24 [154]
36/3=12
12*2=24
24-20=4
4 more votes are needed
3 0
3 years ago
Other questions:
  • if you are dealt 3 cards from a shuffled deck of 52 cards find the probability that all 3 cards are picture cards
    13·1 answer
  • At top speed, a rabbit can cover 4 miles in 11 minutes. If a
    12·1 answer
  • 9) A tin man has a head that is a cylinder with a cone on top. The height of the cylinder is 12 inches and the height of the con
    7·2 answers
  • ANSWER GETS BRAINLIEST!
    8·2 answers
  • When a group of colleagues discussed where their annual retreat should take place, they found that all the colleagues: 25 would
    9·1 answer
  • The student council at Spendtoomuch High School is
    10·1 answer
  • Help sos number 2 vv
    10·1 answer
  • May I please have help with my math ?! Thank you
    11·1 answer
  • Shawn is coasting down a 500 cm long ramp on his inline skates. The wheels on his incline skates 32 cm in circumference. How man
    14·2 answers
  • What is the length of FD? Need help do tomorrow!!!
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!