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rosijanka [135]
3 years ago
11

A number is divided by 3. That quotient is increased by 12. The result is 46. Find the number.

Mathematics
1 answer:
anzhelika [568]3 years ago
3 0

Let the number be x.

x/3 + 12 = 46

Subtract 12 from both sides and you will get:

x/3 = 34

Multiply both sides by 3:

x = 102

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The excursion boat on the river takes 2½ hours to make the trip to a point 12 miles upstream and to return. If the rate at which
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Answer:

2 mph

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time = distance / speed

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... 12/(4c) = 3/c.

Likewise, the downstream rate is (5c +c) = 6c, and the <em>downstream time</em> is ...

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The <em>total time</em> is the sum of upstream and downstream times:

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6 0
3 years ago
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Jet001 [13]

Answer:

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8 0
3 years ago
The cost c (in dollars) for the fuel and maintenance of a go-cart is given by c=10x+1200, where x is the number of rides. It cos
Olin [163]

Answer: it will take 40 rides to break even.

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4 0
3 years ago
What is the rational number equivalent to 3 point 12 with a bar over 12?
slamgirl [31]
\frac{12}{100}=0.12

To get the 0.12 to repeat, the trick is to subtract 1 from the denominator

\frac{12}{99}=0.12121212...

Then reduce the fraction.

\frac{12}{99}={4}{33}

now add the 3 to get

3.12121212.... = 3\frac{4}{33}
8 0
3 years ago
Read 2 more answers
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