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gogolik [260]
2 years ago
6

a student carres a bag weighing 5kg from the ground floor to his clas on the first floor that is 2m high. the work done by the b

oy is
Mathematics
2 answers:
Studentka2010 [4]2 years ago
8 0
The answer is: C 100 J
trapecia [35]2 years ago
5 0
W = F D

F = m g = (5) (9.8) = 49 N

w = F D

w = 49 ×2 = 98 J

if there is a multiple choice

the correct answer is 100 J by rounding
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The histogram below shows the number of sit-ups accomplished by 6th grade students in a physical fitness test.how many students
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I chose 40! thought it was to only logical answer

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3 years ago
5. Priya mixes 2..5 cups of water with 1/3 cup or orange juice concentrate. Diego mixes 1 2/3 cups of water with 1/4 cup or oran
Snowcat [4.5K]

Priya needs 13⅓ cups of orange juice

Diego 15 cups

Step-by-step explanation:

......................................................................................................................

Priya

......................................................................................................................

Cup of water = 2½

Cup of orange = ⅓

If 2½ cups of water requires ½ cup of orange juice concentrate

Then 100 cups of water would require x cup of orange

Representing the above statement mathematically

2½ : ⅓ = 100 : x

5/2 : 1/3 = 100 : x ------------------Convert ratio sign to division

5/2 ÷⅓ = 100/x

5/2 * 3 = 100/x

15/2 = 100/x ---------------Multiply both sides by x

15/2 * x = 100/x * x

15x/2 = 100 ------------------ Multiply both sides by 2

2 * 15x/2 = 2 * 100

15x = 200 --------------- Divide both sides by 15

x = 200/15

x = 13⅓

So, 13⅓ cups of orange is needed by Priya

......................................................................................................................

Diego

......................................................................................................................

Cup of water = 1⅔

Cup of orange = ¼

If 1⅔ cups of water requires ¼ cup of orange juice concentrate

Then 100 cups of water would require x cup of orange

Representing the above statement mathematically

1⅔:¼ = 100:x

5/3 : ¼ = 100:x

5/3 ÷¼ = 100 ÷ x

5/3 * 4/1 = 100 ÷ x

20/3 =100/x----------------------- Multiply x to both sides

20/3 * x = 100/x * x

20x/3 = 100 ------------------------ Multiply 3 to sides by 3

3 * 20x/3 = 100 * 3

20x = 300 ------------- Divide both sides by 2

20x/20 = 300/20

x = 15

So, 15 cups of orange is needed by Diego

6 0
3 years ago
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That is the slope
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we see we have (2/5,1/2)
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((1/2)/(2/5)=(1/2)(2/5)=2/10=1/5

unit rate is y=(1/5)x
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Explain the meaning of 0 on the running back loses 7 yards on his carry
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he got sacked he didn't gain anything but losted yards

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There are 5 roses for every 9 carnations in a bouquet. Mr.Rodriguez buys a bouquet with 42 flowers in it. How many carnations ar
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I think its eight but I could be wrong

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