Mathematics, 01.03.2021 03:10 cecem58
2. Tanya is 15 years older than Sarah. In 3 years, the sum of their ages will be 41.
a) Write an expression for Tanya's age in terms of Sarah's age. Use S to represent Sarah's
current age
b) Write an expression for how old Tanya will be in 3 years, using the expression you wrote
for her age
c) Write an expression for how old Sarah will be in 3 years, using S to represent Sarah's
current age.
d) Write an equation that shows the sum of their future ages will be 42
e) Solve that equation to find Sarah's current age
f) What is Tanya's current age?
Answers: 2
Mathematics, 21.06.2019 18:50
7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?
Answers: 3
Mathematics, 21.06.2019 19:00
You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?
Answers: 1
Mathematics, 21.06.2019 19:00
You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?
Answers: 1
Mathematics, 21.06.2019 19:30
Need now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 1
2. Tanya is 15 years older than Sarah. In 3 years, the sum of their ages will be 41.
a) Write an ex...
Medicine, 23.10.2020 03:01
Mathematics, 23.10.2020 03:01
Mathematics, 23.10.2020 03:01
Mathematics, 23.10.2020 03:01
Physics, 23.10.2020 03:01
Mathematics, 23.10.2020 03:01
Computers and Technology, 23.10.2020 03:01
Mathematics, 23.10.2020 03:01
History, 23.10.2020 03:01
Mathematics, 23.10.2020 03:01