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Len [333]
3 years ago
12

Eric plays piano and guitar. He practiced on both instruments for a total of 8 hours this week. He practiced the piano for 3/4 o

f that time. For how many hours did Eric practice the piano this week?
Mathematics
1 answer:
Ivan3 years ago
7 0
If you would like to know how many hours did Eric practice the piano this week, you can calculate this using the following steps:

the piano: 3/4 of 8 hours = 3/4 * 8 hours = 6 hours

The correct result would be 6 hours.
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in the parallelogram pqrs shown below, ps is 7 centimeters long. if the parallelogram's perimeter is - 40 centimeters, how many
professor190 [17]

13 cm  long is PQ in  parallelogram .

What does parallelogram mean in a nutshell?

  • A parallelogram is a geometric shape with parallel sides that exists in two dimensions.
  • The pair of parallel sides in this sort of polygon with four sides, also known as a quadrilateral, are of equal length.
  • In a parallelogram, the sum of the adjacent angles is 180 degrees.

Perimeter of ∥gm = - 40 cm

 2(PQ+ PS) = - 40

  2 ( PQ + 7 ) = 40

        PQ + 7 = 20

           PQ = 20 - 7

           PQ = 13 cm

Learn more about parallelogram

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1 year ago
The perimeter of a square is 20 ft. if you increase the length of the square by two feet what is the area, in square feet, of th
Amanda [17]
The answer would actually be A. P=20 so that means the side lengths are 5 each. 5+2 is 7. So 5 times 7 is 35
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3 years ago
What is 0.000 002 in standard form​
Vsevolod [243]

Answer:

0.000 002 = 2 \times  {10}^{ - 6}

Step-by-step explanation:

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0.000 002 = 2 \times  {10}^{ - 6}

5 0
3 years ago
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A drain must be installed with a grade of 1/10 in. of vertical drop per foot of horizontal run. How much of a drop will there be
professor190 [17]

Answer:

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6 0
2 years ago
-15d+20=35,............................
Alex
D=-1
-15d=15 so -d=1 so d=-1
6 0
4 years ago
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