3 years ago

Is zero point 32 repeating times square root of 294 end square root rational or irrational? Justify your answer

1 answer:

7 0

Your answer will be irrational because when you multiply a rational and irrational number together you get a irrational number

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Which expression is equivalent to 10x2 - (2 – 3x) + (5x - 3x2)?

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10x^2 - (2 - 3x) + (5x - 3x^2)
=7x^ + 2x - 2

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Find the inverse of f(x)=2x-1

solong [7]

${ \qquad\qquad\huge\underline{{\sf Answer}}}$

Let's find the inverse of given function ~

$\qquad \sf \dashrightarrow \: f(x) = 2x - 1$

$\qquad \sf \dashrightarrow \: 2x = f(x) + 1$

$\qquad \sf \dashrightarrow \: x = \cfrac{f(x) + 1}{2}$

[ now, replace f(x) and x with $\sf{ {f}^{-1}(x)}$ ]

$\qquad \sf \dashrightarrow \: f {}^{ - 1} (x) = \cfrac{x + 1}{2}$

That's the required inverse function ~

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1 year ago

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For any two nonzero integers, the product and quotient have the same sign. True or False

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True......................

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3 years ago

Write the equation of a line that has a slope of 3 and goes through points (2,1)

Inga [223]

Answer:

The equation of straight line is 3 x-y-5=0

Step-by-step explanation:

The equation of straight line having slope m = 3 and passing through the point (2,1) is

the standard form of straight line is $y-y_{1} = m (x-x_{1} )$

now substitute m = 3 and point (2,1) is

$y- 1 = 3(x-2)$

$y - 1 = 3 x - 6$

$3 x-y -6+1=0$

$3 x-y -5 =0$

The equation of straight line is 3 x-y-5=0

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3 years ago