subject
Mathematics, 07.09.2021 19:00 Daseanjones3063

Stacy is 3 years younger than twice her sister’s age. Which equation can be used to determine her sister’s age if Stacy is 13 years old? A. 2x – 3 = 13 B. 3 – 2x = 13 C. 2(x – 3) = 13 D. 2(3 – x) = 13

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 17:00, Rententen3845
Write 17/20 as a decimal and as a percent.
Answers: 2
image
Mathematics, 21.06.2019 18:00, purplefish53
Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary
Answers: 2
image
Mathematics, 21.06.2019 19:40, Candieboo4006
It appears that people who are mildly obese are less active than leaner people. one study looked at the average number of minutes per day that people spend standing or walking. among mildly obese people, the mean number of minutes of daily activity (standing or walking) is approximately normally distributed with mean 376 minutes and standard deviation 64 minutes. the mean number of minutes of daily activity for lean people is approximately normally distributed with mean 528 minutes and standard deviation 107 minutes. a researcher records the minutes of activity for an srs of 7 mildly obese people and an srs of 7 lean people. use z-scores rounded to two decimal places to answer the following: what is the probability (image for it appears that people who are mildly obese are less active than leaner people. one study looked at the averag0.0001) that the mean number of minutes of daily activity of the 6 mildly obese people exceeds 420 minutes? what is the probability (image for it appears that people who are mildly obese are less active than leaner people. one study looked at the averag0.0001) that the mean number of minutes of daily activity of the 6 lean people exceeds 420 minutes?
Answers: 1
image
Mathematics, 21.06.2019 23:20, ale1910
Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?
Answers: 1
You know the right answer?
Stacy is 3 years younger than twice her sister’s age. Which equation can be used to determine her si...

Questions in other subjects:

Konu
Mathematics, 10.07.2019 10:00