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3 years ago

What are 5 numbers that have 13,2,and 3 as prime factors

Mathematics

1 answer:

SCORPION-xisa [38]3 years ago

5 0

There is only 1 number which is 78.

13*2*3=78

Hope this helped☺☺

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What is cos(45°)?

Andrej [43]

Answer:

$\rm \dfrac{\sqrt2}{2}$

Step-by-step explanation:

A right angled ∆ is given to us and we need to find out the value of cos 45° ( with rationalized denominator ) . As we know that in a right angle ∆ , the value of cosine is ,

$\rm\implies cos\theta =\dfrac{base}{hypotenuse}$

In the given triangle ,

Value of base = 1
Value of hypotenuse = √2

On substituting the respective values ,

$\rm\implies cos45^\circ =\dfrac{1}{\sqrt2}$

For rationalizing the denominator , multiply numerator and denominator by √2 , we have,

$\rm\implies cos45^\circ=\dfrac{1(\sqrt2)}{(\sqrt2)(\sqrt2)}$

Simplify ,

$\rm\implies \boxed{\pink{\frak{ cos45^\circ=\dfrac{\sqrt2}{2} }}}$

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2 years ago

X to the second power - x - 6 > 0

Makovka662 [10]

X^2 - x - 6 > 0
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answer
x < - 2 or x > 3

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2 years ago

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Simplify the expression:<br> 10+-2f^2+-6+7+-2f^2+-9f

aleksandrvk [35]

$10+-2f^2+-6+7+-2f^2+-9f = 10-2f^2 -6+7-2f^2 -9f \\\\= -2f^2 -2f^2 -9f+10-6+7= \boxed {-4f^2 -9f +11}$

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21:29

Mama L [17]

Yes it is the answer that is last on the list because it is that answer

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2 years ago

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Anon25 [30]

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Step-by-step explanation:

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