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Neporo4naja [7]
4 years ago
8

Jeremiah practice playing the piano a total of three hours 45 minutes after five weeks if he practiced the same amount of time e

ach week how many minutes did he practice during the Fifth week
Mathematics
1 answer:
EleoNora [17]4 years ago
6 0

Answer:

3/4 hours or 45 minutes

Step-by-step explanation:

3 hours and 45 minutes is equivalent to 3 3/4 hours

We divide 3 3/4 by 5 (the number of weeks) to receive how much Jeremiah practices per week

We convert 3 3/4 to an improper fraction and receive 15/4

We now have 15/4 ÷ 5 =

Convert 5 into a fraction

5/1

15/4 ÷ 5/1 =

Keep, change, flip

We keep our first fraction

15/4 ÷ 5/1 =

Change our sign from division to multiplication

15/4 • 5/1 =

And flip or find the reciprocal of the second fraction

15/4 • 1/5 =

Then we multiply our numerators together and our denominators together

15/4 • 1/5 = 15/20

Then we simplify our fraction by dividing the numerator and denominator by the largest common factor, 5

15/5= 3

20/5= 4

And we receive our answer: 3/4 hours

Jeremiah practiced 3/4 hours or 45 minutes on the 5th week.

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SpyIntel [72]

The total length of the wire needed to make this shape is 162cm

<h3>Perimeter of a triangle</h3>

The perimeter of a triangle is the sum of the external side of the triangle.

Given the following parameters

Length of one side of the outside shape = 24cm

The side length of the smaller triangle = 24/4 = 6cm

The perimeter of the smallest triangle  3(6) = 18cm

The perimeter of the smaller triangle (at the middle) = 12(3) = 36cm

Total length of wire needed. = 3(24) + 3(18) + 36

Total length of wire needed = 72 + 54 + 36

Total length of wire needed = 162cm

Hence the total length of the wire needed to make this shape is 162cm

Learn more on perimeter of triangle here: brainly.com/question/24382052

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1 year ago
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Dmitrij [34]

Answer: -7.5

Step-by-step explanation:

area = 1/2bh.

area = 1/2(x+6)(5)

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area = x/2 = -15

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area = -7.5

5 0
3 years ago
Complete the equivalent fraction in higher term: 3/4 = /12
Bogdan [553]
An equivalent fraction in higher terms is 9/12 because you must multiply the top by 3 because you multiplied the bottom by 3
3 0
3 years ago
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Aidan uses 1/4 of the water in a bucket to water one potted plant. How many potted plants can aiden water with 3 full buckets of
Ahat [919]
If Aidan can fill 1 potted plant from a full bucket but still have enough left for 3 more, this means Aidan can water 4 plants per full bucket. And if you multiply that 4 by 3 full buckets, it gives you 12, which is the amount of plants 3 full buckets can water.
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3 years ago
You want to know the mean number of sick days taken by students in your county last year. At each of five schools you randomly s
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Answer:

4

Step-by-step explanation:

Add each sample separately

A.17   B. 47   C. 39 D. 52 E. 45

Then you add them all together which totals 200 sick days

We know that they surveyed 5 schools and 10 students at random from each one. So we want to know the mean of sick days the students took not the schools in all.

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3 years ago
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