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Lapatulllka [165]
3 years ago
13

Grace cut 3 pieces of ribbon; each piece was 25 of a foot long. How many feet of ribbon does she have in all? Express your answe

r as a mixed number
Mathematics
2 answers:
Anika [276]3 years ago
8 0
6/5 or 1 1/5 . Each piece is 2/5 so you add it up 3 times or multiply by 3 to get 6/5 or 1 and 1/5.
alina1380 [7]3 years ago
7 0

Answer:

1 1/5

Step-by-step explanation:

3 x 2/5 = 6/5 = 1 1/5

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Answer:

C. 256 in2

Step-by-step explanation:

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3 years ago
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A copy machine makes
IrinaK [193]
This problem can be represented in a formula with fractions. To make it more simple, we are converting 5m30s to just pure seconds, which = 154 copies in 330 seconds.

You set up the formula like this: 154/330 = x/60. (it is x/60 because you want to know the x amount of copies per 60 seconds)

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3 years ago
Horn lengths of Texas longhorn cattle are normally distributed. The mean horn spread is 60 inches with a standard deviation of 4
german

Answer:

range is  between 55.5 to 64.5

Step-by-step explanation:

Horn lengths of Texas longhorn cattle are normally distributed. The mean horn spread is 60 inches with a standard deviation of 4.5 inches

68% is 1 standard deviation from mean

To get the range of 1 standard deviation we add and subtract standard deviation from mean

mean = 60

standard deviation = 4.5

60 - 4.5= 55.5

60+4.5 = 64.5

1 standard deviation is between 55.5 to 64.5

That is 68% range is  between 55.5 to 64.5

8 0
3 years ago
Can anyone help me with primary 5 hw ?
Illusion [34]
B) 28×50, then take the answer - 1100
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fred has a bad containing 2 red, 8 blue, 5 green, and 10 white marbles that are all the same size and shape. what is the probabi
Pepsi [2]

Answer:

50%

Step-by-step explanation:

There are a total of 20 marbles.

10/20 equal 50%

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