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zlopas [31]
3 years ago
14

Simplify the expression. (-2-2i)(-4+6i)

Mathematics
2 answers:
hoa [83]3 years ago
7 0

Answer:

20 - 4i is the correct answer!

Step-by-step explanation:

Snowcat [4.5K]3 years ago
4 0

Answer:

4i*2i (8i)

Step-by-step explanation:

you combine whats in the parenthesis, then multiply the two

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Solve for y. Do not put any spaces in your y=mx+b answer. 3y=2+9 *
horrorfan [7]

Answer:

y=11/3

Step-by-step explanation:

3y=2+9

Divide both sides by 3.

3y/3 = (2+9)/3

y=2/3+9/3

Combine like terms.

<u>y=11/3</u>

5 0
3 years ago
The floor of a NYC subway car measures approximately 12 feet. How many cubic feet of space are there in a subway car?
fiasKO [112]

The cubic feet of space that is in the subway car is the volume of the subway car which is 5,502.

<h3>How many cubic feet of space are there in a subway car?</h3>

The shape of a subway car is in the form of a rectangular prism. In order to determine the cubic feet of space, the volume of the car has to be determined. The formula for the volume of a rectangular prism would be used.

Volume = width x height x length

12 x 51 x 8.5 = 5205

Here is the complete question:

The floor of an NYC subway car measures approximately 51 feet by 8.5 feet. The height of the NYC subway car measures approximately 12 feet. How many cubic feet of space are there in a subway car?

To learn more about the volume of a cuboid, please check: brainly.com/question/26406747

5 0
2 years ago
Please help with this question.
Aneli [31]

Answer:

if I have my calculations right it would be £120

6 0
3 years ago
If x = 45, solve for y
Tanzania [10]

Answer:

d

Step-by-step explanation:

5 0
3 years ago
At lunch, $60\%$ of the students selected soda while $20\%$ selected milk. If 72 students selected soda, how many students selec
Nadusha1986 [10]

Answer:

24 students

Step-by-step explanation:

If 60% equals 72, then 20% would be 1/3 of 72 which is 24.

7 0
3 years ago
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