Mathematics, 06.10.2020 22:01 iris7324
The time required to complete a job varies inversely as the number of
people working. It took 22 painters 494 hours to paint a wall. How long
would it have taken 19 people to have done the job?
Answers: 2
Mathematics, 21.06.2019 12:30
Which statement describes the term economics? a. it is the study of using limited resources to fulfill wants and needs. b. it is the study of how governments fulfill the wants and needs of nations. c. it is the study of how people spend their money to fulfill wants and needs.
Answers: 1
Mathematics, 21.06.2019 19:50
Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4
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(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
Mathematics, 22.06.2019 02:30
What is the slope-intercept form of a line that passes through points (2, 11) and (4, 17)? y=-3x-5 o y=3x-5 y=-3x+5 0y=3x+5
Answers: 2
The time required to complete a job varies inversely as the number of
people working. It took 22 pa...
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