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sashaice [31]
2 years ago
10

14 coins that have the value of $1.20. She only has dimes and nickles. How many nickles does kaelyn have?

Mathematics
1 answer:
pychu [463]2 years ago
6 0

Answer:

4 nickels

Step-by-step explanation:

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A man drove his car at 80km per hr for 1 and a quarter hrs .He rested for 45mins and then covered 240km, at the same time. Calcu
prisoha [69]

Answer:

Probably 128 km/h, but maybe 98.5 km/h. See below.

Step-by-step explanation:

What does "at the same time" mean?

If it means that he covered the 240 km in the same time as he convered the 80 km, then this is how you solve it:

80 km in 1.25 hour

240 km in 1.25 hour

Total distance: 80 km + 240 km = 320 km

Total time: 1.25 hour + 1.25 hour = 2.5 hour

average speed = (total distance)/(total time) = 320 km / 2.5 hour = 128 km/h

If it means he covered the 240 km in the same time he covered the 80 km plus the rest, then this is how you solve it:

80 km in 1.25 hour

240 km in 1.25 hour + 45 min = 240 km in 1.25 houir + 0.75 hour = 240 km in 2 hour

Total distance: 80 km + 240 km = 320 km

Total time: 1.25 hour + 2 hour = 3.25 hour

average speed = (total distance)/(total time) = 320 km / 3.25 hour = 98.5 km/h

3 0
2 years ago
How many liters of water is there in a fish tank with dimensions 25cm by 20cm by 10cm
tekilochka [14]

Answer: 5000cm

Step-by-step explanation: 25cm x 20cm x 10cm

hope this helps :)

7 0
2 years ago
This one-dimensional figure goes on forever in two directions.
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It’s line always goes in both directions
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2 years ago
If there are 60 sides, what is the difference between the perimeter and π?
tangare [24]
You can sole it because I believe in you
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3 years ago
A circle has a diameter of 16 cm. What is its circumference?
Olegator [25]

Answer:

the answer is 50.27 cm for your question

8 0
3 years ago
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