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boyakko [2]
2 years ago
11

A telephone technician charges $45.00

Mathematics
1 answer:
antiseptic1488 [7]2 years ago
5 0
252.5 is the answer to this question
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The age of father is 4nyears.If the age of his daughter is(2n-9)years.find their total age.​
8_murik_8 [283]

Answer:

4n+(2n-9)

4n+2n-9

6n-9 =the total age

6n=9

divide by 6 both sides.

n=9/6

n=1.5 years.

substitute the value of n in the age of the father and the daughter.

Age of father=4×1.5

6years.

Age of Daughter = (2×1.5)-9

3-9

=-6 years

Total age

6-6=0

4 0
2 years ago
-4i+ 3i= i- 8+ 3i- 12
Thepotemich [5.8K]

Answer:

Step-by-step explanation:

-4i+3i=i-8+3i-12

-i=4i-20

20=4i+i

20=5i

20/5=i

4=i

4 0
2 years ago
13
frez [133]

Answer:

0.13

Step-by-step explanation:

0.13 is the correct answer

5 0
2 years ago
1. What is the measure of angle 4?
Kipish [7]

Answer:

d

Step-by-step explanation:

is answer sd

5 0
2 years ago
rebecca's cell phone bill is $52 she pays a monthly fee of $20 and $0.05 per minute that she uses .How many minutes does rebecca
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She can only talk for 400 minutes or 6 hours and 40 minutes
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