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Afina-wow [57]
4 years ago
14

10 Pts Multiplying fractions: 5     1 — x — = 6     2

Mathematics
2 answers:
Flauer [41]4 years ago
6 0

Multiply the numerators together. Multiply the denominators together. Then reduce if necessary.

\dfrac{first~numerator}{first~denominator} \times \dfrac{second~numerator}{second~denominator} = \dfrac{(first~numerator)\times(second~numerator)}{(first~denominator)\times(second~denominator)}

\dfrac{a}{b} \times \dfrac{c}{d} = \dfrac{a \times c}{b \times d}

\dfrac{5}{6} \times \dfrac{1}{2} = \dfrac{5 \times 1}{6 \times 2} = \dfrac{5}{12}

ozzi4 years ago
6 0

The answer is 5/12, because 5*1 =5 and 6*2 = 12, Which gives you 5/12.

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If Kevin wants a 90 average in math after 5 tests and his first 4 tests are 76, 92, 89 and 97 what does he need on the fifth tes
Keith_Richards [23]
You need to understand that you're solving for the average, which you already know: 90. Since you know the values of the first three exams, and you know what your final value needs to be, just set up the problem like you would any time you're averaging something.
Solving for the average is simple:
Add up all of the exam scores and divide that number by the number of exams you took.
(87 + 88 + 92) / 3 = your average if you didn't count that fourth exam.
Since you know you have that fourth exam, just substitute it into the total value as an unknown, X:
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Now you need to solve for X, the unknown:
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X = 93
Now that you have an answer, ask yourself, "does it make sense?"
I say that it does, because there were two tests that were below average, and one that was just slightly above average. So, it makes sense that you'd want to have a higher-ish test score on the fourth exam.
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4 years ago
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Elina [12.6K]

Answer:

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Step-by-step explanation:

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Hi! I don't understand the attached question and already attempted to solve it. Can someone help me and explain how to solve it?
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The range is the difference between the highest number and the lowest number.


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4 years ago
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Lynna [10]

Answer:

<h2><u><em>8</em></u></h2>

Step-by-step explanation:

12 cars in 15 hours how many cars is in 10 hours

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x = 8

-------------------

check

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the answer is good

8 0
3 years ago
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