Mathematics, 16.07.2019 20:30 rubend661
Working alone, it would take shandra 45 minutes to mow the lawn. to mow the same lawn, also working alone, it would take kelly 1 hour and 15 minutes. if they work together, the girls believe it will take them 1 hour to mow the lawn. which best describes the reasonableness of their solution?
Answers: 1
Mathematics, 20.06.2019 18:02
There will be 7 people at a party.if each person will eat 5/8 of a pound of chicken, how many pounds of chicken are needed?
Answers: 2
Mathematics, 21.06.2019 19:30
Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?
Answers: 1
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(1โ0.2)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
Working alone, it would take shandra 45 minutes to mow the lawn. to mow the same lawn, also working...
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