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Rudiy27
3 years ago
8

Beccas dad told her that she needs to practice piano for two hours this week so far she has practiced 20 minutes on Monday a hal

f an hour on Tuesday and 15 minutes on Wednesday how much longer does she need to practice?
Mathematics
1 answer:
vodomira [7]3 years ago
8 0

Answer:

Step-by-step explanation:

She needs to practice piano for 2 hours this week:

Lets add the time she played the piano so far:

Monday + Tuesday + Wednesday

Which is

20 + 30 (half an hour) + 15

= 65 minutes

In which 2 hours is equal to 120 minutes

So,

120 - 65 = 55

She needs to practice for 55 more minutes in this week

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Answer:

hello,

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Anastasy [175]

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4 years ago
Asap please help! and explain how you got the answer!
Inessa [10]
55

To start to solve this problem we start by observing what information there is. We need y, to find y we have to know x. We need x to find y because all the angles in a triangle add up to 180. If we find x we can subtract the angles we know and get y. To find x we look and see that it is on a straight line, and on the other side of the line is 100. We know that a straight line is 180 degrees so we subtract 100 from 180 to get x. We now know x is 80, so now we minus 89 and 45 from 180. We get 55. This means that y is 55.

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7 0
3 years ago
Alyssa has 2.1 meters of ribbon to make bows. She needs to make 3 bows. If she uses an equal amount of ribbon for each of her bo
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Answer:

0.7 ribbon

Step-by-step explanation:

To find how much is needed, use division.

So, to show your work:

2.1 divided by 3 = 0.7

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3 years ago
Read 2 more answers
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