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Brums [2.3K]
3 years ago
15

Simplify 8k+2+4k+(-3k)+5

Mathematics
2 answers:
klemol [59]3 years ago
7 0
First clear parentheses
It will make 8k+2+4k-3k+5.
2) Group like terms
8k+4k+2+5.
3) Add the same numbers
9k+2+5
4) now add 2+5
7.
5) Combine everything
And your final answer is 9k+7
Hope that helps!!!

Rzqust [24]3 years ago
3 0
8k+4k-3k=9k
2+5=7
9k+7
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Answer:

She will pay $122.85

Step-by-step explanation:

First, find the amount of the percents.

To do that, turn the percents into decimals.

25% --> 0.25

10% --> 0.10

Then, multiply each decimal with the original price.

189×0.25= 47.25

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Now that you have the amount of the percents, subtract both from the original price.

189- (47.25+18.90)

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3 years ago
Find the domain and range of the function graphed in the picture.
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Therefore, the domain is the set of numbers x such that x \le 4

To write this in interval notation, we would write (-\infty, 4] This interval starts at negative infinity and stops at 4. We exclude infinity with the curved parenthesis and include 4 with the square bracket.

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The range is the set of possible y outputs. Every point on this curve has a y coordinate that is either 0 or it is larger than 0.

The range is the set of y values such that y \ge 0

In interval notation, it would be written as [0, \infty) This time we start at 0 (including this endpoint) and "stop" at infinity

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4 years ago
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Mrrafil [7]

Answer:

Infinite number of solutions

Step-by-step explanation:

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