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Irina-Kira [14]
4 years ago
6

Simplify (−8 + 8i) − (5 + 4i)

Mathematics
2 answers:
Sunny_sXe [5.5K]4 years ago
7 0

Answer: 13 + 12i

Step-by-step explanation:

Travka [436]4 years ago
3 0

Answer:

-13+4i

Step-by-step explanation:

(-8+8i)-(5+4i)

(-8+8i)-5-4i

-8+8i-5-4i

-8-5+8i-4i

-13+4i

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What is reciprocal of 4
pickupchik [31]

Answer:

1/4, 0.25

Step-by-step explanation:

The reciprocal of a number is 1 divided by the number. 1/4=0.25.

7 0
4 years ago
Read 2 more answers
Jessica works 5 days a week at a factory 7.5 miles from her home.
Romashka-Z-Leto [24]

Answer:

£25

Step-by-step explanation:

total distance travelled per week = 2 * 7.5 * 5 = 75

amount of fuel used = 75/30 = 2.5 gallons = 11.375 litre

cost of fuel = 11.375 * 1.14 = 12.9675

total cost = 5(2.5) + 12.9675 = 25.4675 ~~ 25

8 0
3 years ago
I needs help ........ .
makvit [3.9K]
First lets add the 2 distances on the map:

3 3/4 + 5 1/4 = 9 inches  ( 3/4 + 1/4 = 1, 3+5 = 8, 8+1 = 9 )

1/2 inch on the map = 4 miles
 
there are 2  1/2 inches to 1 inch so 4 miles x 2 = 8 miles to 1 inch

so now multiply 9 inches x 8 miles = 72 total miles

8 0
3 years ago
2) (89° + 10a + 2) = (a + 1)
LenaWriter [7]

Answer:

a = -10

Step-by-step explanation:

89 + 10a + 2 = a + 1

91 + 10a = a + 1

9a = - 90

a = -10

8 0
3 years ago
How many solutions does this system have?<br> x-2y=2 <br> y=-2x+5
Marta_Voda [28]
Base from the given system of equation, there would be only one possible solution. This is the point where the lines meet or intersect with each other. Hope this answers the question. Have a nice day. Feel free to ask more question.
6 0
3 years ago
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