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pychu [463]
3 years ago
13

Plz help will be greatly apreciated

Mathematics
1 answer:
olasank [31]3 years ago
8 0
A. Is a function B. Is not. The way you tell us you draw straight lines through the graph if any of the lines intersect with the thing plotted more than once it’s not a function, if it only intersects once it’s a function.
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5,000 divided by 5 equals. what?
gayaneshka [121]
1000 because it takes 5 1,000's to make 5,000
5 0
3 years ago
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PLEASE HELP WILL GIVE BRAINLIEST AND 30 POINTS!!!!!
garik1379 [7]

Answer:

Step-by-step explanation:

If the price is supposed to be dropping with each year, maybe your year/price chart would reflect that. Seems to me that the price rose between 2015 and 2016 and even by 2017 the value was still higher than it was in 2015.

I have no way of knowing how to fix this.

Let's ASSUME that the 2015 price was $71,445 and that the 2016 and 2017 prices are valid.

the decrease between 2015 and 2016 is (71445 - 68640) / 71445 = 0.03926

or 3.926%

the decrease between 2016 and 2017 is (68640 - 65945)/68640 = 0.03926

or 3.926%

so the price each year after new is

p = 71445(1 - 0.03926)ⁿ

or

71445(0.96074)ⁿ

where n is the number of years.

To get the monthly version, we divide the decrease by 12

p = 71445(1 - 0.03926/12)ˣ

or

p = 71445(1 - 0.00327)ˣ

or

p = 71445(0.99673)ˣ

where x is the number of months since new.

This may not be your exact answer, but the same method can be used if you get real numbers.

8 0
3 years ago
(x-1)(x+20)<br> May I know the work to this
nikitadnepr [17]

(x-1)(x+20)=x^2+20x-x-20=x^2+19x-20

4 0
4 years ago
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The elevation of a mountain is 27,370 feet. Due to erosion, this mountain is reduced by 0.2% each year. In how many years will t
koban [17]

Answer:

7 years

Step-by-step explanation:

27370 - 26986.82 = 383.18ft

0.2% = 0.2/100 = 0.002

27370*0.002 = 54.74

each year the montain reduce your elevation

54.74ft

then:

383.18/54.74 = 7

Answer:

7 years

4 0
3 years ago
HELp <br> Which relation is a function?
madreJ [45]
It is the first one because you can use the vertical line test to see that it doesn’t hit more than one point per x-value
7 0
3 years ago
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