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AVprozaik [17]
2 years ago
6

(2+i)-(5-4i) Find the difference of the following expression

Mathematics
1 answer:
SVETLANKA909090 [29]2 years ago
6 0

Answer:

-3 + 5i

Step-by-step explanation:

We can remove the parentheses

2 + i - 5 + 4i

Collect the like terms and do the math

-3i + 5i

You might be interested in
Dom runs a pizza business. Last year he took in $88 000 and it cost him $33 000
Natali [406]

Answer:

The percentage profit for the year is 62.50%

Step-by-step explanation:

Here, we want to calculate the percentage profit

That would be difference between the revenue (88,000) and the cost (33,000) divided by the revenue * 100%

We have this as;

(88,000-33,000)/88,000 * 100%

= 55,000/88,000 * 100%

= 62.50%

5 0
3 years ago
You are going to a bowling alley and have $10 to spend. Renting bowling shoes cost $1.50. Each game cost $2.
MaRussiya [10]

Answer:

6.50

Step-by-step explanation:

  1. 10.00
  2. 10.00 - 1.50 - 8.50 - 2.00 = 6.50
7 0
3 years ago
There are approximately 2.5 million deaths per year in country A. Express this quantity as deaths per minute.
MrRa [10]
2,500,000/365 = 6849 per day.
6849/24 = 285 per hour.
285/60 = 4.75 which is rounded to 5.
So 5 per minute

Hope this helps!
7 0
3 years ago
Need help ASAP PLEASE DUE SOON!!!
beks73 [17]

Answer:

11

Step-by-step explanation:

all u need to do is to cube root 1331, because it is a cube. hope i helped.

7 0
3 years ago
If f(x)=3/x+2- sqrt x-3 f(7)=?
Dovator [93]

To get the answer, you need to solve the equation for x = 7.

f(7) = 3/7 + 2 - sqrt(7) - 3.

= 3/7 - 1 - sqrt(7).

If you need to simplify it further:

= -4/7 - sqrt(7).

If you need it in decimal form:  = -3.2171798824

7 0
4 years ago
Read 2 more answers
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