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Mathematics 19 Online
OpenStudy (anonymous):

Amanda exercised for 10 minutes every day in the first week, 20 minutes in the second week, 30 minutes in the third week, and 40 minutes in the fourth week. Billy exercised for 5 minutes every day in the first week, 10 minutes in the second week, 20 minutes in the third week, and 40 minutes in the fourth week. Which statement best describes the methods used by Amanda and Billy to increase the time they spent exercising? Amanda's method is linear because the number of minutes increased by an equal number every week. Billy's method is linear because the number of minutes inc

OpenStudy (anonymous):

Amanda's method is linear because the number of minutes increased by an equal number every week. Billy's method is linear because the number of minutes increased by an equal factor every week. Both Billy and Amanda's method is exponential because the number of minutes increased by an equal factor every week. Both Billy and Amanda's method is exponential because the number of minutes increased by an equal number every week.

OpenStudy (anonymous):

@Loser66

OpenStudy (loser66):

@Mertsj too much words, I don't understand, please, help

OpenStudy (anonymous):

Amanda exercised for 10 minutes every day in the first week, 20 minutes in the second week, 30 minutes in the third week, and 40 minutes in the fourth week. Billy exercised for 5 minutes every day in the first week, 10 minutes in the second week, 20 minutes in the third week, and 40 minutes in the fourth week. Which statement best describes the methods used by Amanda and Billy to increase the time they spent exercising? this is the question

OpenStudy (anonymous):

Amanda's method is linear because the number of minutes increased by an equal number every week. Billy's method is linear because the number of minutes increased by an equal factor every week. Both Billy and Amanda's method is exponential because the number of minutes increased by an equal factor every week. Both Billy and Amanda's method is exponential because the number of minutes increased by an equal number every week. these are the choices

OpenStudy (mertsj):

Amanda (1,10) (2,20) (3,30) (4,40) Billy (1,5) (2,10) (3,20) (4,40) Those are the ordered pairs of each person's exercise regime. The one with constant slope is linear.

OpenStudy (anonymous):

so whats the answer

OpenStudy (mertsj):

I didn't do it. I simply explained to you how to do it.

OpenStudy (anonymous):

but i dont get it

OpenStudy (anonymous):

cant you just give me the answer lol ?

OpenStudy (anonymous):

@Loser66

OpenStudy (anonymous):

@ranga

OpenStudy (anonymous):

@Mertsj

OpenStudy (mertsj):

Check Amanda's ordered pairs. Find the slope between the first two ordered pairs.

OpenStudy (anonymous):

IDK how to do that

OpenStudy (anonymous):

ill give a medal

OpenStudy (mertsj):

To find the slope, subtract the y values of the ordered pairs, then subtract the x values of the ordered pairs. Put the first number over the second number.

OpenStudy (anonymous):

so it would be choice B

OpenStudy (mertsj):

No.

OpenStudy (anonymous):

its C DUH

OpenStudy (anonymous):

@Mertsj

OpenStudy (anonymous):

It would be A

OpenStudy (secret-ninja):

Yes, it is A. :)

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