Mathematics, 29.06.2019 23:30 montanolumpuy

Cecelia studied for the sat for 20 minutes every day in the first week, 30 minutes in the second week, 40 minutes in the third week, and 50 minutes in the fourth week.
christopher studied for the sat 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 cecelia and christopher to increase the time they spent studying?
a. cecelia's method is exponential because the number of minutes increased by an equal number every week.
b. christopher's method is exponential because the number of minutes increased by an equal factor every week.
c. both christopher's and cecelia's methods are linear because the number of minutes increased by an equal factor every week.
d. both christopher's and cecelia's methods are linear because the number of minutes increased by an equal number every week.

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 15:00

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. another supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which would you choose and how much would you save with that choice? show calculator try it! if you buy 1000 ml bags, how many do you need to buy each month? type your answer in the space provided and click on the check answer button.

Answers: 3

Answer

Mathematics, 21.06.2019 21:00

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0

Answers: 1

Answer

Mathematics, 21.06.2019 21:00

To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay

Answers: 1

Answer

Mathematics, 21.06.2019 22:00

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b

Answers: 1

Answer

You know the right answer?

Cecelia studied for the sat for 20 minutes every day in the first week, 30 minutes in the second wee...

Questions

Mathematics, 12.01.2020 19:31

At laguardia airport for a certain nightly flight, the probability that it will rain is 0.19 and the probability that the flight will be delayed is 0....