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Stels [109]
3 years ago
8

This question consists of 2 parts, a and b.

Mathematics
1 answer:
Svetlanka [38]3 years ago
4 0

Answer:

  • A: 700
  • B: he put the decimal point in the wrong place

Step-by-step explanation:

Part A: The problem 49/0.07 can be rewritten as 4900/7 by multiplying numerator and denominator by 100. Then it is more clear that the correct answer is (49/7)×100 = 700.

___

Part B: I've always had trouble reading Marco's mind, so I cannot tell you what mistake he made. I can tell you the decimal point in his result is in the wrong place.

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Linda purchase a prepaid phone card for $30. Long distance calls cost $.17 a minute using this card when do use her card. Linda
balandron [24]

Answer: her call lasted for 44 minutes

Step-by-step explanation:

Linda purchase a prepaid phone card for $30. This means that the credit on her card is $30.

Long distance calls cost $0.17 each. Linda use her card only to make a long distance call. Assuming she made a total of x minutes of long distance calls, the cost would be $0.17x. The amount remaining on her card will be

30 - 0.17x

if the remaining credit on her card is $22.52, the number of minutes,x that the call lasted will be

22.52 = 30 - 0.17x

0.17x = 30 - 22.52

0.17x = 7.48

x = 7.48/0.17 = 44

7 0
3 years ago
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IceJOKER [234]

Answer:

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Step-by-step explanation:

Use a caluclator

6 0
3 years ago
I will give brainliest!!!!!!!!!
sergiy2304 [10]
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If it’s not message me I’ll give u the answer
3 0
3 years ago
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Brainliest 5 stars and thank you! (correct answers only)
elena-s [515]

Answer:

Answer -   -5

Step-by-step explanation:

7 0
2 years ago
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5.
Marysya12 [62]
The function has a maximum at (1, 3).

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