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mariarad [96]
3 years ago
15

The sum of 10 and one third of a number is equal to 13 what is the number

Mathematics
1 answer:
kherson [118]3 years ago
4 0

the answer is 9.


10+x=13

subtract 10 from both sides.

x=3

since this is one third of the number we need to find,you do reverse operations.

multiply 3 by 3.

the answer is 9.

hope this helped. god bless. :D

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1. 16

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Step-by-step explanation:

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3 years ago
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When filling your gas tank, if you pay c dollars for g gallons of gas, you have the following table.
Ksenya-84 [330]

Option D statement "A 12-gallon tank would cost $47.40 to fill completely" is true.

<h3>What is a domain?</h3>

The whole of the independent variable's possible values makes up the domain of a function.

For the given data we need to find which of the given statements are true.

From option A:

The domain is {4, 8, 11, 15}.

The domain is all possible x values so this would be 0 to infinity as you can pay for more gallons not just to that certain set of numbers.

Therefore, option A is False.

From option B:

An 11-gallon tank would cost $44.00 to fill completely.

From the given table we can see that 11-gallon tank costs $43.45.

Therefore, option B is False.

From option C:

A 9.1-gallon fill-up would cost $35.49.

To find 9.1 gallons we need to find the cost of 1-gallon.

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Now the cost of 9.1 gallon tank is $3.95 x 9.1 = $35.95 not $35.49

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From option D:

A 12-gallon tank would cost $47.40 to fill completely.

We found that 1 gallon is $3.95.

$3.95 x 12 = $47.40

Therefore, option D is True.

Hence, from the given statements option D is True.

To learn more about data visit:

brainly.com/question/12576014.

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6 0
2 years ago
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8 0
3 years ago
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Vera_Pavlovna [14]
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6 0
3 years ago
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ASHA 777 [7]

Answer:

C

Step-by-step explanation:

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4 0
3 years ago
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