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lina2011 [118]
3 years ago
15

Cheddar cheese costs 7.50 for 1 kg Marie buys 200 grams of cheddar cheese how much does she pay

Mathematics
2 answers:
Varvara68 [4.7K]3 years ago
8 0
Marie would pay $1.50 because 200 grams is .2 Kg and you would multiply 7.50 by .2 and you'd get your answer
sergeinik [125]3 years ago
6 0

The <em><u>correct answer</u></em> is:

$1.50.

Explanation:

1 kg = 1000 g. We can set up a proportion to solve this:

7.50/1000g = x/200g

Cross multiply:

200(7.50) = x(1000)

1500 = 1000x

Divide both sides by 1000:

1500/1000 = 1000x/1000

1.50 = x

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Answer:

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Step-by-step explanation:

1. a. The domain of the function in the context of this problem is h ≥ 0. The maximum value of h will correspond to the time at which the concentration is considered to be negligible. If that time is when the concentration decays to 1% of its peak value, then perhaps the suitable domain is 0 ≤ h ≤ 180.

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3. C(0) = 0 is the only intercept in the domain of the function. (h, C(h)) = (0, 0)

In the context of this problem, it means the blood concentration of medication is zero at the time of the injection.

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4. About 1.95 hours after injection, a maximum concentration of the drug occur in the bloodstream. This value is easily found using a graphing calculator.

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That is, the concentration in the bloodstream reaches a maximum about 1.95 hours after injection into the muscle.

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