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Lapatulllka [165]
2 years ago
10

15 more than 3 times a number is 45. What is the number?

Mathematics
2 answers:
nataly862011 [7]2 years ago
6 0

Answer:

15

Step-by-step explanation:

Maurinko [17]2 years ago
6 0
The number is 10.
Because if you multiply 10 by 3, you get 30 and 15 more than 30 is 45.
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(a) Work out the reciprocal of 1.25
Oxana [17]

Answer:

0.8 OR \frac{4}{5}

Step-by-step explanation:

The reciprocal of any number is the number that it multiplies by to equal 1.

The reciprocal can be found by simply converting the number into a fraction and then 'flipping' the fraction as any number multiplied by its reciprocal is 1.

E.g.

No. X/Y * Y/X (its reciprocal) = 1

\frac{x}{y} *\frac{y}{x} =\frac{xy}{xy} =1

So, to find the reciprocal of 1.25,we should first convert 1.25 to a fraction.

1.25 = 125/100

\frac{125/25}{100/25}=\frac{5}{4}

Now we just flip 5/4 to get our reciprocal:

\frac{4}{5} = 0.8

Test: 0.8 * 1.25 = 1

The reciprocal of 1.25 (\frac{5}{4}) is 0.8 (\frac{4}{5}).

Hope this helped!

8 0
2 years ago
There are 25 counters in a bag: 6 red, 4 white, 7 blue, and 8 yellow. You choose one counter at random. Which color are you leas
Eduardwww [97]

You are least likely to choose white. Bc there are only 4 of those.

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Based on the data which company most likely has the longest average commute time per employee?
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3 years ago
Which ratio is equivalent to 4:5?
maw [93]

Answer:

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Step-by-step explanation:

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