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
mina [271]
3 years ago
15

Which of the following is equivalent to the expression below?

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
8 0

Answer:

C 9i

D -9i

Step-by-step explanation:

sqrt(-81)

sqrt(81) sqrt(-1)

we know that sqrt(-1) = i

±9i

You might be interested in
(02.01 LC)
ExtremeBDS [4]

Answer:

Yes it is a function

Step-by-step explanation:

We have to check the ordered pairs to find out if given relation is a function or not.

In an ordered pair, the first element represents the input and the second element represents the output.

The set of inputs is domain and output is range.

For a relation to be function, there should be no repetition in domain i.e there should be unique pairs of input and output.

In the given relation, the domain is {3,5,-1,-2}.

No element is repeated hence it is a function ..

7 0
3 years ago
Express 20minutes as ratio of 2hours​
Flauer [41]

Answer:

1hr : 10min

Step-by-step explanation:

2 hrs = 120 min

1 hr : 60 min

so

1hr : 10min

3 0
2 years ago
An automotive website would like to estimate the percentage of drivers who own their cars, rather than lease their cars. Which o
Ksivusya [100]
The answer to your question is the last option. “An online survey for sharing data about their cars”. Have a great day
4 0
2 years ago
Who can answer this first POINTS AND BRAINLIEST
Thepotemich [5.8K]

Answer:1.45

Step-by-step explanation:

Divide.

7 0
3 years ago
Which estimate is closest to the answer of this number sentence?
spayn [35]
The answer is 11 :)))))
3 0
2 years ago
Other questions:
  • Bryan reads for x minutes. kelly reads for one-fourth the amount of time bryan reads. which statement explains why 14x14x and 0.
    6·1 answer
  • GEOMETRY HELP PLEASE URGENT
    5·1 answer
  • Which is NOT a common denominator for 23 and 12 ?<br><br> A. 18<br> B. 12<br> C. 6<br> D. 3
    8·1 answer
  • Use the given information to answer the question.
    10·1 answer
  • A study of the amount of time it takes a mechanic to rebuild the transmission for a 1992 Chevrolet Cavalier shows that the mean
    8·1 answer
  • I GIVE BRAINLIEST! <br>Compare -16 and -49/4, put greater than, less than, or the equal sign,
    11·2 answers
  • HELP ASAP ILL GIVE BRAINLIST
    13·1 answer
  • What is 9yd = _____ in
    5·2 answers
  • What is the distance between point A(−1, 3) and point B(−8, 3) ?
    5·1 answer
  • Solve the linear equation <br><br>1: 5x+8/9=2x-7/18<br>2: 3x+3/5=6x-2/10
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!