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
dybincka [34]
3 years ago
14

PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER

Mathematics
2 answers:
CaHeK987 [17]3 years ago
6 0

Answer:

Choose c if only one answer

If you can choose 2, then choose a and c

Step-by-step explanation:

sqrt (-80)

±sqrt(-1) * sqrt(80)

sqrt(-1) = i

±i sqrt(80)

±i sqrt(16) *sqrt(5)

± 4i sqrt(5)

The principal square root is 4i sqrt(5), but -4i sqrt(5) is also true

Pepsi [2]3 years ago
3 0

Answer:

It is C

Step-by-step explanation:

√(-80)

±√a-1) * √(80)

√(-1) = i

±i √(80)

±i √(16) * √(5)

± 4i √(5)

The principal square root is 4i √(5), but -4i √(5) is also true

You might be interested in
If the diameter of a circle is 3 and pi=3.14, what is the circumference? Im confused on how to get the circumference.
Afina-wow [57]

Answer:

9.426 units

Step-by-step explanation:

Given data

Diameter= 3 units

Radius= 1.5 units

The circumference is given as

C=2πr

C=2*3.142*1.5

C=9.426 units

Hence the circumference is 9.426 units

4 0
2 years ago
In point slope form: passes through (1, -3), slope = -1?​
sleet_krkn [62]

Answer:

y + 3 = -1(x-1)

Step-by-step explanation:

sub (1, -3) and slope = -1:

y - (-3) = -1(x - 1)

Topic: Coordinate Geometry

If you would like to venture further, you can check out my Instagram page (learntionary) where I post notes and mathematics tips. Thanks!

5 0
3 years ago
Evaluate m – n if m = –16 and n = 28
natima [27]

Answer:-44

Step-by-step explanation:

-16-(28)=-44

4 0
2 years ago
Read 2 more answers
What is the equivalent of | -21 |
Fynjy0 [20]
That's 21.

Hope this helps !

Nyway
8 0
3 years ago
Read 2 more answers
How to multiple decimals by decimals.
puteri [66]

Answer:

To multiply decimals, first multiply as if there is no decimal. Next, count the number of digits after the decimal in each factor. Finally, put the same number of digits behind the decimal in the product.

7 0
2 years ago
Other questions:
  • Show how to add 2 1/2+4/5 using a number line
    15·1 answer
  • Lori can do 42 push-ups. This is ten less than twice the amount of push-ups her sister can do. How many push-ups can her sister
    8·2 answers
  • Question 3 50 points
    9·1 answer
  • a person stands on top of a 200 ft building and spots a person on the ground below. the angle of depression from where the perso
    12·1 answer
  • The temperature each hour in Elma, Texas on October 1 is modelled by the equation
    14·1 answer
  • I need help ASAP, if you can. My problem is 3y-1(divided by)2=Z. I need to find Y.
    7·2 answers
  • Nathan is a cat enthusiast! He currently cares for 4 different cats. He adopts 2
    8·1 answer
  • BC =<br> Round your answer to the nearest hundredth.<br> B<br> 200<br> ?<br> А<br> 4
    10·1 answer
  • What is the equation of the line that passes through the point (-2,0) and has a<br> slope of -2?
    9·1 answer
  • SOMEONE HELP ME WITH THIS QUESTION PLEASE!!!!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!