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aksik [14]
2 years ago
8

Multiplication of fractions3/4×7/15​

Mathematics
1 answer:
Pachacha [2.7K]2 years ago
3 0

Answer:

\frac{7}{20} or <em>0.35</em>

Step-by-step explanation:

\frac{3}{4} * \frac{7}{20} \\3*7=21\\4*15=60\\\frac{21}{60} \\

Now simplify.

\frac{21}{60} = \frac{7}{20}

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Nita uses 1/2 of a class period to read 1/12 of a book. How many periods must be set aside if she is to read the entire book?
strojnjashka [21]

Answer: 6 class periods

Step-by-step explanation: If she reads 1/12 of the book and 1/12 times 12 is equal to 1 then it will take 12 classes

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3 0
3 years ago
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Please help will give brainliest and 30 pts
Rus_ich [418]
You’re not giving 30 points, you’re only giving 5
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3 years ago
Prove by contradiction that the interval (a,<br> b.has no minimum element.
Snowcat [4.5K]

Assume (a,b) has a minimum element m.


m is in the interval so a < m < b.


a < m


Adding a to both sides,


2a < a + m


Adding m to both sides of the first inequality,


a + m < 2m


So


2a < a+m < 2m


a < (a+m)/2 < m < b


Since the average (a+m)/2 is in the range (a,b) and less than m, that contradicts our assumption that m is the minimum. So we conclude there is no minimum since given any purported minimum we can always compute something smaller in the range.


8 0
3 years ago
1-116 1.2.6
ankoles [38]

Answer:

A. 30 adults; B. 24 not dolls

Step-by-step explanation:

A.

\begin{array}{rcl}\text{No. of adults} & = & \text{No. of visitors} \times \text{Fraction who are adults}\\& = & \text{100 visitors} \times \dfrac{\text{3 adults}}{\text{10 visitors}} \\& = & \textbf{30 adults}\\\end{array}

B.

If five-eighths of the prizes were dolls, then three-eighths of the prizes were not dolls.

\begin{array}{rcl}\text{No. not dolls} & = & \text{No. of prizes} \times \text{Fraction not dolls}\\& = & \text{64 prizes} \times \dfrac{\text{3 not dolls}}{\text{8 prizes}} \\& = & \textbf{24 not dolls}\\\end{array}

3 0
3 years ago
A random sample of pickles in a jar has the following weights in grams: 68, 54, 59, 70, 69, 65, 73, 59, 74, and 54
gogolik [260]
68 + 54 + 59 + 70 + 69 + 65 + 73 + 59 + 74 + 54 = 586 grams
586 grams/10 = 58.6 grams (if you round it, you will get 59 grams)

hope this helps!!
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3 years ago
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