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lisov135 [29]
3 years ago
11

1.) Is this number rational or irrational?

Mathematics
1 answer:
Setler79 [48]3 years ago
4 0

Answer:

1) Irrational.

2) Irrational.

Step-by-step explanation:

We have been given two numbers. We are asked to determine whether the given numbers are rational or irrational.

We know that a number is a known as rational number, when we can represent it as a fraction or it has terminating decimals.

A number is a known as rational number, when it has non-repeating and non-terminating decimals.

1). -\frac{\sqrt{3}}{5}+10.8

-0.3464101615137755+10.8=10.4535898384862245

Since our given number has non-repeating or non-terminating decimal, therefore, given number is an irrational number.

2) \sqrt{3}=1.7320508075688773

Since our given number has non-repeating or non-terminating decimal, therefore, given number is an irrational number.

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4 0
3 years ago
If A = 3x2 + 3x - 6 and B = -2x2 - 6x + 7, thenA - B equals1) -5r- 11x + 132) 5r2 + 11x – 133) -5x2-x+14) 5x2 -*+1
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1 year ago
The temperature is -14 degrees. Over the next three days, the temperature drops 5 degrees, then 3 degrees, and finally 1 degree.
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3 years ago
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Use the quadratic formula to solve the equation.–x2 + 5x = 3
Karo-lina-s [1.5K]

Given the equation - x² + 5x = 3, which can be rewritten as:

- x² + 5x - 3 = 0

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Quadratic formula:

\frac{-b\text{ }\pm\text{ }\sqrt[]{b^2\text{ - 4ac}}}{2a}

Now, we just replace the values of a, b and c on the equation above.

\frac{-5\text{ }\pm\text{ }\sqrt[]{5^2\text{ - 4(-1)(3)}}}{2(-1)}

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