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
valkas [14]
4 years ago
7

Simplify the square root of -72

Mathematics
1 answer:
kupik [55]4 years ago
5 0

Answer:

6i\sqrt{2}

Step-by-step explanation:

Using the rule of radicals

\sqrt{a} × \sqrt{b} = \sqrt{ab} and \sqrt{-1} = i

Given

\sqrt{-72}

= \sqrt{36(2)(-1)}

= \sqrt{36} × \sqrt{2} × \sqrt{-1}

= 6\sqrt{2} × i

= 6i\sqrt{2}

You might be interested in
Sorry u can’t rlly see it but it’s rlly late and it’s due in an hour
Mrac [35]

Answer:

If you subtract $44, 090 from $68, 450 you'll get $24, 360, so thats how much more she'll earn with a bachelor's degree.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the answer to -0.3x 2=0.4x-0.1
ch4aika [34]
That blank is a plus sign

ok so rememmber  you can do anythiing to an equation as long as you do it to both sides

-0.3x+2=0.4x-0.1
add 0.3x to both sides
2=0.7x-0.1
add 0.1 to both sides
2.1=0.7x
times 7 both sides
21=7x
divide both sides by 7
3=x
7 0
3 years ago
Helpppppppppppppppppppppppppppppppppppppp
goblinko [34]
The answer is 3 cuase if u distribute the 3 ull get 3x-6+5x=18
add the 6
combine like terms(5x,3x)
8x=24
divide both bye 8 and ull get      X=3 :)hope it helps
7 0
4 years ago
Read 2 more answers
A christmas tree is 6ft tall and has 2 branches every 4 inches. How many branches are there
xeze [42]
There is 1 branch per 2 inches. 
1 foot is 12 inches, that means there are 6 branches in 1 foot.
6 branches multiplied by 6 is 36.
There are 36 branches on the tree.
3 0
4 years ago
The sum of 3 times a number and 7
leva [86]
Algebraically, that will be expressed as:

3n +7
7 0
3 years ago
Other questions:
  • What is the answer to what's equivalent to 5/5
    14·2 answers
  • 3 Times What = 132? ............
    15·2 answers
  • Two high school students are hired to rake leaves .
    11·1 answer
  • Which equation represents the line that passes through the point (-2 2) and is parallel to y=1/2x+8?
    9·1 answer
  • Please help .
    5·1 answer
  • A watercolor painting is 20 inches long by 9 inches wide. Raymond makes a border around the watercolor painting by making a mat
    7·1 answer
  • What is the INPUT when the OUTPUT is 12?
    8·1 answer
  • Find the slope of the line that goes through the two points: [<br> (1 Point)<br> (7, 20) and (4,5)
    11·1 answer
  • Which one is false please helps me
    12·1 answer
  • There are 3 girls for every 2 boy at a party. There are 20 boys at the party.how many girl are there​
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!