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Andrej [43]
3 years ago
12

The recommended daily calcium intake for a 20-year-old is 1,000 milligrams (mg). One cup of milk contains 299 mg of calcium and

one cup of juice contains 261 mg of calcium. Which of the following inequalities represents the possible number of cups of milk m and cups of juice j a 20-year-old could drink in a day to meet or exceed the recommended daily calcium intake from these drinks alone?
SAT
1 answer:
taurus [48]3 years ago
7 0

Answer:

299m + 261j >= 1000

Explanation:

The inequality equation is basically the mg of per glass of milk times the m cups of milk  +  mg per glass of juice times the j glasses of juice should be greater than or equal to required 1,000 mg per day

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The dnsity of aluminum is 2. 70 g/mL. if the mass of a piece of aluminum is 244 grams, what is the volume of the aluminum
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Explanation:
The density of a substance tells you the mass of exactly one unit of volume of said substance.
In your case, aluminium is said to have a density of
density Al
=
2.70 g
.
cm
−
3
This tells you that every
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of aluminium has a mass of
2.70 g
.
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10.0
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⋅
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=
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−−−−−
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