2 years ago

Is the square root of 10 a rational number

Mathematics

2 answers:

laila [671]2 years ago

7 0

Answer:

Step-by-step explanation

The square root of 10 is irrational because it isn't a fraction

nadezda [96]2 years ago

4 0

No, The square root of 10 a irrational number.

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If the tangent of an acute angle is 1/4, what is the cosine of that angle?

ozzi

Answer:

0.97

Step-by-step explanation:

It is known that the tangent of an angle is given by the quotient between its sine and its cosine.

$tan(x)=\frac{sin(x)}{cos(x)} =\frac{1}{4} \\\frac{1}{4}cos(x)=sin(x)\\$

Applying the following property:

$sin^2(x) +cos^2(x) = 1\\(\frac{1}{4}cos(x))^2 +cos^2(x) = 1\\\\\frac{17}{16}cos^2(x) = 1 \\cos(x)=0.97$

The cosine of that angle is 0.97.

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3 years ago

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Solnce55 [7]

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3 years ago

What happens every time we mulitply by 10

mars1129 [50]

Answer:

You add a zero at the end

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3 years ago

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Identify the two missing sides of the 45-45-90 triangle

Naily [24]

X= 8

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3 years ago

What’s the mathematical expression for “five times x is fewer than 12”

Musya8 [376]

Answer:

5x<12

Step-by-step explanation:

Five times x is equally 5x fewer than is equally < # 5x<12

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3 years ago