Mathematics, 04.03.2021 17:30 KATVEN
During normal breathing, about 11% of the air in the lungs is replaced with each breath. Write an exponential decay model for the amount of original air left in the lungs if the initial amount of air in the lungs is 550 milliliters. How much of the original air is present after 30 breaths?
Answers: 3
Mathematics, 21.06.2019 17:30
Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.
Answers: 2
Mathematics, 21.06.2019 18:00
In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.
Answers: 3
Mathematics, 21.06.2019 18:20
What are the solution(s) to the quadratic equation x2 – 25 = 0? o x = 5 and x = -5ox=25 and x = -25o x = 125 and x = -125o no real solution
Answers: 2
Mathematics, 21.06.2019 23:00
Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.
Answers: 1
During normal breathing, about 11% of the air in the lungs is replaced with each breath. Write an ex...
Mathematics, 29.07.2020 19:01
English, 29.07.2020 19:01
Mathematics, 29.07.2020 19:01
Mathematics, 29.07.2020 19:01
Geography, 29.07.2020 19:01