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olga nikolaevna [1]
3 years ago
11

Write 3/4 cup per 1/2 serving as a unit rate​

Mathematics
1 answer:
alexgriva [62]3 years ago
4 0

Answer:

Unit rate =1 \frac{1}{2} cups per serving

Step-by-step explanation:

\frac{1}{2} serving has =\frac{3}{4} cup

∴ 1 serving will have = \frac{\frac{3}{4}}{\frac{1}{2}}  = \frac{3}{4}\times \frac{2}{1} = \frac{6}{4}=\frac{6\div 2}{4\div 2}=\frac{3}{2}= 1 \frac{1}{2} cups

Unit rate =1 \frac{1}{2} cups per serving

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2/9 dived 1/2 helpppp
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Answer:

.44 or 11/25

Step-by-step explanation:

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3 years ago
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Kevin and Randy Muise have a jar containing 70 coins, all of which are either quarters or nickels. The total value of the coins
Nikitich [7]

Answer:

50 nickels, 20 quarters.

Step-by-step explanation:

System of equations (q = # of quarters, n = # of nickels):

<em>q + n = 70, 0.25q + 0.05n = 7.50</em>

the first equation can be changed to q = 70 - n, so we are able to <em>substitute q with 70 - n</em>.

So, it will look like <em>0.25*70 - 0.25n + 0.05n = 7.50</em>. This can be simplified to <em>0.2n = 10</em>, which means that n = 50.

Knowing that we can solve <em>q + 50 = 70</em>, which means that q = 20.

6 0
4 years ago
What is the circumference of a circle whose radius is 20 feet? Leave answer in terms of π.
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The circumference of the circle is 40π. Hope it help!
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4 years ago
Select 3 expressions that have a sum or difference of 3 /4 .
cupoosta [38]

Answer:

The Three expressions that have a sum or difference of 3 /4 .

B . 11/12 − 1/6

C. 3/5 + 3/20

E . 2/3 + 1/12

Step-by-step explanation:

The Three expressions that have a sum or difference of 3 /4 .

are

B . 11/12 − 1/6

\dfrac{11}{12}-\dfrac{1}{6}=\dfrac{11}{12}-\dfrac{1\times 2}{6\times 2}\\\\\dfrac{11}{12}-\dfrac{1}{6}=\dfrac{11}{12}-\dfrac{2}{12}=\dfrac{11-2}{12}=\dfrac{9}{12}=\dfrac{3}{4}

Therefore,

\dfrac{11}{12}-\dfrac{1}{6}=\dfrac{3}{4}

C. 3/5 + 3/20

\dfrac{3}{5}+\dfrac{3}{20}=\dfrac{3\times 4}{5\times 4}+\dfrac{3}{20}\\\\\dfrac{3}{5}+\dfrac{3}{20}=\dfrac{12}{20}+\dfrac{3}{20}=\dfrac{15}{20}=\dfrac{3}{4}

Therefore,

\dfrac{3}{5}+\dfrac{3}{20}=\dfrac{3}{4}

E . 2/3 + 1/12

\dfrac{2}{3}+\dfrac{1}{12}=\dfrac{2\times 4}{3\times 4}+\dfrac{1}{12}\\\\\dfrac{3}{5}+\dfrac{3}{20}=\dfrac{8+1}{12}=\dfrac{9}{12}=\dfrac{3}{4}

Therefore,

\dfrac{2}{3}+\dfrac{1}{12}=\dfrac{3}{4}

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3 years ago
What is the perimeter of a circle called?
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Answer:

circumference.

Step-by-step explanation:

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