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Andrei [34K]
2 years ago
6

5. Simplify the expression, (-2 - 5i) - (-4+6i) 2 - 11i -2+i -6 + 11i -5i

Mathematics
1 answer:
monitta2 years ago
7 0

\qquad\qquad\huge\underline{{\sf Answer}}♨

Let's simplify ~

\qquad \sf  \dashrightarrow \:( - 2 - 5i) - ( - 4 + 6i)

\qquad \sf  \dashrightarrow \: - 2 - 5i +  4  -  6i)

\qquad \sf  \dashrightarrow \: - 2 +  4   - 5i-  6i)

\qquad \sf  \dashrightarrow \:2 - 11i

Therefore, A is the Correct choice !

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C)<br> A bus drives for 3/2 hours at an average speed of 56 mph.<br> How far does the bus drive?
natta225 [31]

Answer:

The bus drives 84 miles

Step-by-step explanation:

The question relates to relationship between average speed and time

The given parameters are;

The time duration in which the bus drives = 3/2 hours = 1.5 hours

The average speed of the bus = 56 mph

The formula average speed is given as follows;

Average \ speed = \dfrac{The \ total \ distance \ driven}{The \ time \ duration \ of \ travel}

Therefore, we have;

The total distance driven = Average speed × The time duration of travel

The total distance driven = The distance the bus drives

Substituting the given values, gives;

The distance the bus drives = 56 miles/hour × 1.5 hours = 84 miles

The distance the bus drives = 84 miles.

4 0
3 years ago
Whats this question im confused 9/250
romanna [79]
Its probably a division question. 250 divided by nine which is 27.7 which rounds to 28.
8 0
3 years ago
A class of 30 swim team members took a lifesaving test. Eighteen of the members had an average score of 92 points. The remaining
inysia [295]

Answer:

88.8%

Step-by-step explanation:

1.) 30-18= 12 which is the number of member that had an average of 84

2.)Then multiply  12 times 84 = 1008

3.) You multiply 18 by 92 which equals 1656

4.)Add 1008 and 1656 together  and get 2664.

5.)Divide 2664 / 30 and you get the average of 88.8

Hope this helps :)

plz brainly & like

8 0
3 years ago
Read 2 more answers
2x + y = 3 x - 2y = -1 If equation two is multiplied by -2 and then the equations are added, the result is what?
photoshop1234 [79]

Answer:

  1. 2x + y
  2. 3 x - 2y
  3. -1

2(3 x - 2y) = -6x + 4y

2x + y + -6x + 4y + -1 = -4x + 5y -1

5 0
3 years ago
Which of these is an example of the Commutative property of addition? And Explain why? 3+5=4+4 or 3+5=5+3
mestny [16]

Answer:

3+5=5+3

Step-by-step explanation:

Because the commutative property means 'flip-flop'

Hope this helps! = )

5 0
2 years ago
Read 2 more answers
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