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goldenfox [79]
3 years ago
14

a sand timer has 5 5/16 ounces of sand. of sand falls at a rate of 2.5 ounces per minute, how many minutes will the timer last?

Mathematics
1 answer:
Hitman42 [59]3 years ago
5 0

Answer:

about 2 minutes

Step-by-step explanation:

first lets make everything in the same term

so 2.5 =2 1/2

then divide 5 5/16 by 2 1/2

or 85/16 divided by 5/2

you get 2 1/8

so you have about 2 minutes before the timer runs out

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Two equivalent ratios for 12/60
Marat540 [252]
If you would like to know two equivalent ratios for 12/60, you can calculate this using the following steps:

12/60 = 12/2 / 60/2 = 6/30
6/30 = 6/2 / 30/2 = 3/15
3/15 = 3/3 / 15/3 = 1/5

The result would be 6/30 or 3/15 or 1/5.
8 0
3 years ago
Read 2 more answers
Please help.............
gayaneshka [121]

Answer:

A. -4

Step-by-step explanation:

J= Jake's Number

A= Amy's Number

2j = 3j+2

-j = 2

j = -2

check: 2(-2) = 3(-2)+2

-4 = -6+2

-4 = -4 (correct)

Jake's number is -2. Amy's is -4


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3 years ago
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olga55 [171]

Answer:

y=-2x+3

Step-by-step explanation:

y+2x=3

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y=-2x+3

y=mx+b

where m=-2 and b=3.

So the slope for this function is -2 and the y-intercept is 3. You can easily graph this function.

7 0
3 years ago
David borrowed $2500 from his local bank. The yearly interest rate is 8%. If David pays the full principle and interest in the f
yaroslaw [1]
He pays $200 interest
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vfiekz [6]

Answer: six amount of 0.15 and 7 amount of 0.35

Step-by-step explanation:

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