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goldfiish [28.3K]
2 years ago
15

vivi is a drummer for a band. she burns 756 calories while drumming for 3 hours. she burns the same number of calories each hour

how many calories does vivi burn per hour ​
Mathematics
1 answer:
Airida [17]2 years ago
6 0

Answer:

252 cph

Step-by-step explanation:

756 divide by 3 is 252

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A certain drug concentration of 2.145 mg per 1.716 mL, how many mL are needed to give 2.937 gram of the drug.
Ivenika [448]

Answer:

2,349.6‬ ml

Step-by-step explanation:

To start solving this, i realized that there was a difference in the units given and the units asked for in the answer, so I converted 2.937 grams to 2,397 mg. It is given that there are 2.145 mg of the drug in 1.716 mL, so set up the equation 2.145 / 1.716 = 2,937 / x, where x is the mL of the drug needed. Cross multiply to get 5039.892 = 2.145 x. Divide by 2.145 and get 2,349.6‬ ml

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Marina CMI [18]
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Alenkinab [10]
I am not 100% positive.
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3 years ago
Which could be the length?
BigorU [14]

Answer:

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Step-by-step explanation:

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