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2 years ago

25, 27, 24, 26, 40 A. What is the mean of the data? B. What is the median of the data?

Mathematics

2 answers:

Vlad1618 [11]2 years ago

6 0

Mean is 28.4 (all numbers added together then divided by the amount of numbers)
median is 24 (the middle number)

andrew-mc [135]2 years ago

6 0

THE ANSWERS R a. IS 28.4 b. IS 26

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Find the slope and y intercept of the line 6x+ 2y=-88

Vedmedyk [2.9K]

6x + 2y = -88
2y = -88 -6x
y=-88/2 -6/2x
y= -44 - 3x
y = -3x - 44

Y intercept = -44
Slope/m = -3 (aka) -3/1

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2 years ago

Which pair of angles shares ray a f as a common side?

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2 years ago

Factor 2pq - 5qr + 10r - 4p.

Tresset [83]

The answer is B) (q - 2)(2p - 5r)

2pq - 5qr + 10r - 4p = 2pq - 4p - 5qr + 10r
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2 years ago

Determine the domain of the function (fog)(x) where f(x)=3x-1/x-4 and g(x)=x+1/x

Katarina [22]

Answer: (-∞,-1) ∪ (0,+∞)

Step-by-step explanation: The representation fog(x) is a representation of composite function, meaning one depends on the other.

In this case, fog(x) means:

fog(x) = f(g(x))

fog(x) = $3(x+\frac{1}{x} )-\frac{1}{x+\frac{1}{x} } -4$

$fog(x)=3x+\frac{3}{x} -\frac{1}{\frac{x^{2}+x}{x} } -4$

$fog(x)=3x+\frac{3}{x} -\frac{x}{x^{2}+x} -4$

$fog(x)=\frac{3x^{2}(x^{2}+x)+3(x^{2}+x)-x-4x(x^{2}+x)}{x(x^{2}+x)}$

$fog(x)=\frac{3x^{4}+3x^{3}+3x^{2}+3x-x-4x^{3}+4x^{2}}{x(x^{2}+x)}$

$fog(x)=\frac{3x^{4}-x^{3}-x^{2}+2x}{x(x^{2}+x)}$

This is the function fog(x).

The domain of a function is all the values the independent variable can assume.

For fog(x), denominator can be zero, so:

$x(x^{2}+x) \neq 0$

If x = 0, the function doesn't exist.

$x^{2}+x \neq0$

$x(x+1) \neq0$

$x+1\neq0$

$x\neq-1$

Therefore, the domain of this function is: -∞ < -1 or x > 0

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2 years ago