Does the mean, median, or mode best describe this data set 240,450,180,160,195,170,240, 165?

Mathematics

1 answer:

Hitman42 [59]3 years ago

5 0

Answer:

mean

Step-by-step explanation:

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laiz [17]

Answer:

Option 3

Step-by-step explanation:

When it says 12 less, that means -12.

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NEED HELP ASAP Question A.) k=5 Question B.) ????

andrezito [222]

Answer:

b) $f^{-1}(x) = \frac{4x+5}{3}$

Step-by-step explanation:

b) To find the inverse function, switch the $x$ and $y$ variables and solve for $y$ :

$f(x) = \frac{3x-5}{4}\\y = \frac{3x-5}{4}\\x = \frac{3y-5}{4}\\4x = 3y-5\\4x+5 = 3y\\\frac{4x+5}{3} = y\\f^{-1}(x) = \frac{4x+5}{3}$

Verify Answer:

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1/a^3

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3 years ago

Algebra p[lease help

Iteru [2.4K]

Answer:

y = x^2 +6x +8

Step-by-step explanation:

The vertex is (-3, -1), and the vertical scale factor is 1. (You can tell this because the graph goes up 1 unit for 1 unit either side of the vertex.) So, the vertex form of the equation is ...

y = (x +3)^2 -1 . . . . . . . . . vertex form; sometimes called standard form

Expanding this, we get ...

y = x^2 +6x +8 . . . . . . . . also called the standard form equation

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Comment on standard form

There are different versions of "standard form" depending on what you're concerned with and where you are. Please consult your text or other reference material for the version of standard form you need. (The attachments show the conflict with respect to quadratic equations.)

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Comment on the graph

The purpose of the graph attached is to show that the equation we propose produces the same curve as the one given.