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3 years ago

15

Salid brought 35 feet of window trim at a hardware store. The trim cost $1.75 per foot including sales tax. If salid paid with a

$100.00 bill , how much change should he have recived?

2 answers:

Law Incorporation [45]3 years ago

8 0

The answer is 38.75 because 1.75 times 35 is 61.25 so 100 minus 61.25 is 38.75

juin [17]3 years ago

4 0

You multiply 1.75 by 35 then subtract by 100

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Read 2 more answers

Is is square root of 1.6875 a rational number

mamaluj [8]

<em><u>Question:</u></em>

Is square root of 1.6875 a rational number ?

<em><u>Answer:</u></em>

Square root of 1.6875 a rational number is not a rational number

<em><u>Solution:</u></em>

Given that we have to find square root of 1.6875 and determine if it is rational number or not

Let us first find square root of 1.6875

$\sqrt{1.6875} = 1.29903810568$

Let us understand about rational number

A rational number is a number that can be expressed as a fraction (ratio) in the form $\frac{p}{q}$ where p and q are integers and q is not zero.

When a rational number fraction is divided to form a decimal value, it becomes a terminating or repeating decimal.

So the number 1.29903810568 is not a rational number

<em><u>In other words we can say,</u></em>

Only the square roots of square numbers are rational. Here 1.6875 is not a perfect square. So it is not rational number

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