The radioactive substance cesium-137 has a half-life of
30
years. the amount
at<...
Mathematics, 27.09.2019 16:30 tyboutlife
The radioactive substance cesium-137 has a half-life of
30
years. the amount
at
(in grams) of a sample of cesium-137 remaining after
t
years is given by the following exponential function.
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 14:00
Plzzz maths ! quadratic sequences=an^2+c 1) 11,17,27,41,59 2) 7,16,31,52,79 3) 6,18,38,66,102 4) 0,9,24,45,72 5) 0,12,32,60,96
Answers: 2
Mathematics, 21.06.2019 16:20
Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants
Answers: 1
Mathematics, 21.06.2019 16:30
The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side
Answers: 1
Mathematics, 21.06.2019 21:40
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
Answers: 3
You know the right answer?
Questions
Geography, 13.02.2022 14:30
Computers and Technology, 13.02.2022 14:30
Mathematics, 13.02.2022 14:30
Mathematics, 13.02.2022 14:30
Mathematics, 13.02.2022 14:30
Chemistry, 13.02.2022 14:30
Mathematics, 13.02.2022 14:30
Mathematics, 13.02.2022 14:30
Mathematics, 13.02.2022 14:30
Chemistry, 13.02.2022 14:30
Mathematics, 13.02.2022 14:30
