3 years ago

To which set or sets does the number -18 belong

Mathematics

1 answer:

Feliz [49]3 years ago

4 0

Answer:

-18 belongs to the set of integers.

Step-by-step explanation:

The set of Integers is {......... -3, -2, -1 , 0, 1,2,3........}.

This set consists of 0, the whole numbers (positive) and their opposite negative numbers.

I hope this helps.

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1 year ago

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2 years ago

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A: 1/2 inch B: 1 inch C: 2 inches D: 1/32 inch

mote1985 [20]

The expression of the height is

$a_n=8\cdot (\frac{1}{2})^{n-1}$

the index "n" is the numbers of times that the ball is down, to n=1 the height is 8 inches, to n=2 the height is 4 inches.

An when n=5, the height is

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3 years ago

Which equation can be used to solve the problem? 495 is 55 percent of what number?

fredd [130]

Answer:

55/100 * x = 495

Step-by-step explanation:

The unknown number is x.

55% of x = 495

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2 years ago

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Let f be a linear function such that f(2) =5 and f(6) = -1. find an equation for f(x).

astra-53 [7]

Using f(x) = y, we know that a graph of the function contains the (x,y) points (2,5) and (6,-1). first find the slope of that line,
m = (y2 - y1)/(x2 - x1) ⇒ -6/4⇒-3/2

then using either point (I'll use the first one) solve for b in y = mx + b.
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So y = (-3/2)x + 8 ⇒ f(x) = (-3/2)x + 8.

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3 years ago