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AleksandrR [38]
2 years ago
6

The weight of water is 62 1/2 lb per cubic foot. what is the weight of 20 1/2 cubic feet of water? How much does 20 1/2 cubic fe

et of water weight?
i got 41/2 can someone check if im correct dont really know how to do this
Mathematics
1 answer:
sdas [7]2 years ago
7 0
If the weight of water is 62 1/2 lb per cubic feet then 20 1/2 cubic feet would just be (20.5 × 62.5 = 1281.25 lb) I'm curious how you got 41/2 and why you have the same question just worded differently.
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Iif jessica ate 7 apples and liz ate 3 .how many fruits she hade left
Viktor [21]

not enogh information how many did they start with... take the number of fruits they started with(lets just say the number of frits is :z) then take 7+3= 10

so youll need to

Z-10

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hop this helps!

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krek1111 [17]

Answer:

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15% of Alina’s workout consisted of cardio exercise. 25% of Dane’s workout consisted of cardio exercise. Which statement must be
Arisa [49]


The correct answer is B. If Alina’s workout was 80 minutes, and Dane’s workout was 48 minutes, they spent the same amount of time on cardio exercise.

To figure this out, first find 15% of 80 and then 25% of 48.

To find 15% of 80, you can first find 10% of 80 which is 8(just move the decimal one place to the left). The remaining 5% will be half of 8 since 8 is 10%. Add both the numbers up and you will get 12. (8+4=12)

To find 25% of 48, you can divide 48 by 4. Since percent means 'out of 100', 25% is 25 of 100. 100 divided by 25 is equal to 4. So, 48 divided by 4 is equal to 12.

So, the final answer is B. They both equal to 12.

Hope it helps :)

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Domain and, range in interval notation
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Domain: [-4,4]  (left-to-right or x-values used)

Range: [-4,4] (down-to-up or y-values used)

Function: no

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