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Sever21 [200]
3 years ago
13

The daily recommended allowance of calcium for a sixth grader is 1,200 mg. One cup of

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
8 0

Answer: one cup of milk contains 300 mg of calcium

Step-by-step explanation:

25% of 1200 is 300

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Henry's car used 4 gallons to travel 88 miles. How far can he travel on 10 gallons?
IgorC [24]

Answer:

220 Miles

Step-by-step explanation:

This is because one mile is 22 gallons since 88/4 is 22. With this new info, we take 22 and times it by 10 to get 220 miles.

8 0
3 years ago
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2880 inches to feet?​
Free_Kalibri [48]

Answer:

240 feet

Step-by-step explanation:

1 feet = 0.833333

4 0
4 years ago
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PLEAS HELP ME
GarryVolchara [31]

\bf \qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \stackrel{Table~A}{\begin{array}{ccll} x&y\\ \cline{1-2} 60&48\\70&56\\80&64 \end{array}}~\hspace{7em} \stackrel{Table~B}{\begin{array}{ccll} x&y\\ \cline{1-2} 20&24\\30&36\\40&48 \end{array}} \\\\[-0.35em] ~\dotfill


\bf \textit{for table A, we know that } \begin{cases} x=60\\ y=48 \end{cases}\implies 48=k60\implies \cfrac{48}{60}=k \\\\\\ \cfrac{4}{5}=k\qquad therefore\qquad \boxed{y=\cfrac{4}{5}x} \\\\\\ \textit{for table B, we know that } \begin{cases} x=30\\ y=36 \end{cases}\implies 36=k30\implies \cfrac{36}{30}=k \\\\\\ \cfrac{6}{5}=k\qquad therefore\qquad \boxed{y=\cfrac{6}{5}x}

4 0
3 years ago
Please help i need to write out my work to so please tell me how to show it
Anarel [89]
For the first one write 9 divided by 2 gives your your radius an it’s 3.5. the formula is 2 x 3.14 x radius and that gives you 21.98.

the 2nd one is 2 x 3.14 x 9 = 56.52

the 3rd is 2 x 3.14 x 5= 31.4

formula is always 2 x 3.14 (or pie) x radius

to get your radius from your diameter you do your diameter divided by 2
3 0
2 years ago
Read 2 more answers
How can i solve this<br> f:d-&gt;R<br> f(x)=x at power2/x-1
Leto [7]
X - 1 is not null => x is not 1 => D = R - {1};
4 0
3 years ago
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