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3 years ago

Jerome added two numbers.The sum was 83.One of the numbers was 45.What was the other number?

1 answer:

6 0

To know the second number we should 83 - 45 and we get 38. Now we need to check the result.
45 +38, we'll get 83.
So the answer is correct.

83 - 45 = 38

The answer is 38.

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On a coordinate plane, a parabola opens up. It goes through (negative 8, negative 2), has a vertex at (negative 5, negative 6.5)

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Step-by-step explanation:

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2 years ago

Is is square root of 1.6875 a rational number

mamaluj [8]

Question:

Is square root of 1.6875 a rational number ?

Answer:

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

Solution:

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

In other words we can say,

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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3 years ago

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Answer:

Use demos or a graphing calc.

Step-by-step explanation:

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For this case we must write as a percentage the following expression:

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84%

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