subject
Mathematics, 06.11.2019 18:31 Monaycamp13

Caleb made a stack of popcorn balls on a table. he placed 16 on a table then added three more layers on top of them. each layer had four fewer balls than the previous layer. how many popcorn balls were in all in the stack

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 21:00
Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.
Answers: 1
question
Mathematics, 22.06.2019 00:00
Aspacecraft can attain a stable orbit 300 kilometers above earth if it reaches a velocity of 7.7 kilometers per second. the formula for a rocket's maximum velocity v in kilometers per second is vequalsminus0.0098tplusc ln upper r, where t is the firing time in seconds, c is the velocity of the exhaust in kilometers per second, and r is the ratio of the mass of the rocket filled with fuel to the mass of the rocket without fuel. find the velocity of a spacecraft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.1 km/s, and a firing time of 15 s. can the spacecraft achieve a stable orbit 300 km above earth?
Answers: 3
question
Mathematics, 22.06.2019 00:30
Astrid spent $36 on new shoes. this was $12 less than twice what she spent on a new skirt. part a: which equation would solve for how much she spent on the skirt? part b: solve the equation in the workspace provided below. how much did astrid spend on her skirt?
Answers: 1
question
Mathematics, 22.06.2019 01:00
The answer is 7.2 how would you put this as money
Answers: 2
You know the right answer?
Caleb made a stack of popcorn balls on a table. he placed 16 on a table then added three more layers...
Questions
question
Mathematics, 08.01.2021 18:00
question
Mathematics, 08.01.2021 18:00
question
Mathematics, 08.01.2021 18:00
question
English, 08.01.2021 18:00
question
Mathematics, 08.01.2021 18:00
question
Chemistry, 08.01.2021 18:00
Questions on the website: 13722360