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Reptile [31]
3 years ago
9

URGENT: Amy and Lucy were doing a craft involving yarn. Amy cut a piece of red yarn that was 4 1/3 inches long, and Lucy cut a p

iece of yellow yarn that was 2 3/5 inches long. How much longer was Amy's yarn than Lucy's? Write your answer as a mixed number, (not improper fraction,) in simplest form.
Please show steps, thank you. C:

Mathematics
2 answers:
patriot [66]3 years ago
6 0

Answer:

1 11/15

Step-by-step explanation:

You would have to find the common denominator, which is 15, so the fractions would be 2 9/15 and 4 5/15. add 6/15 to 2 9/15 and you have 3. Add 1 5/15 to get 4 5/15 and then combine 6/15 to 1 5/15 and get 1 11/15. I hope that wasn't too confusing.

Jlenok [28]3 years ago
5 0

Answer:

1 11/15

Step-by-step explanation:

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iogann1982 [59]
Y+57=267
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3 years ago
Solve for y <br>a. 7 cm<br>b. 20 cm<br>c. 14 cm<br>d. 10 cm​
Rainbow [258]

Answer:

20 cm

Step-by-step explanation:

We can use ratios to solve

We know x = 7 since they are of equal length

x          x+7

----- = -------

10         y

7          7+7

----- = -------

10         y

Using cross products

7y = 14*10

7y = 140

Divide by 7

7y/7 = 140/7

y = 20

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3 years ago
Identify the slope of the line for the equation y = 10x + 3.
Mrrafil [7]

Answer:

D) 10

Step-by-step explanation:

The slope of the line y=10x+3 is 10 because in the slope form y=mxtb m represents the slope. In this case 10 is m, therefore the slope is 10. This mean the slope rises 10 units and runs 1 unit since slope is also known as rise/run.

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3 years ago
Give two points with integer coordinates that have a slope of 10/7 between them
Fittoniya [83]

Answer:

(0,0) and (7,10)

Step-by-step explanation:

recall that the slope - intercept  form of a linear equation can be given as

y = mx + b

where m = slope and b = y intercept

in our case, we are given that slope, m = 10/7, hence our equation becomes

y = (10/7) x + b

since we are not given any information about the y-intercept, we can simply pick a value for b that is most convenient for us.

We pick b = 0, hence the equation simplifies to:

y = (10/7) x  ----- eq 1

we can see immediately that if x = 0, y must also = 0

proof if x = 0:

y = (10/7)(0) =0

since 0 is an integer, then (0,0) must be the first point.

we can also observe that for y to be an integer, we must get rid of the denominator 7. We can do this by multiply the right side by 7. Hence we let x = 7:

y = (10/7) x 7

y = 10

hence (7,10) is the second point.

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3 years ago
The average person's stride length, the distance covered by one step, is approximately 2.5 feet long. How many steps would it ta
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it will take approximately 10 feet

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