02/17/17

Exponential rate of growth/decay?
A study is done on the population of a certain fish species in a lake. Suppose that the population size P(t) after t years is given by the following exponential function. P(t)= 280(0.81)^t. What... more
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02/17/17

I need help I don't understand it
if a stock gains 50 percent one year and then loses 50 percent of its value the next year is it accurate to say that its mean growth over the full two years period was 50+-50/2?
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02/17/17

How many gallons of a 90​% antifreeze solution must be mixed with 60 gallons of 25​% antifreeze to get a mixture that is 80​% ​antifreeze?
How many gallons of a 90% antifreeze solution must be mixed with 60 gallons of 25% antifreeze to get a mixture that is 80% antifreeze?
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02/17/17

How many pounds of each must he mix together to get 40 lb of a mixture that sells for ​$1.81 per​ quarter-pound?
The owner of a health-food store sells dried apples for $1.50 per quarter-pound, and dried apricots for $1.90 per quarter-pound. How many pounds of each must he mix together to get 40 lb of a... more
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02/17/17

Write a third or fourth degree polynomial function that has zeros at +/- 7/5
Write a third or fourth degree polynomial function that has zeros at +/- 7/5
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02/17/17

Algebra 2 help - PLEASE PLEASE PLEASE
A zombie apocalypse begins when 4 zombies break free from a secret government lab. each zombie can infect two people per day on average. write an equation to represent the number of zombies that... more
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02/17/17

What is the largest possible number of students on one team.
in a county math league, 520 students from 100 different teams compete. Each team is required to have at least 5 members. What is the largest possible number of students on any team
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02/16/17

Verry confuses
Evelyn works at an apple orchard. Last week, they harvested 832 apples. They sold 3 over 4, of the apples that were harvested. The apples sold in baskets of 6 for $7.25. How much money, in dollars,... more
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02/16/17

Stephen has a fenched garden in What is the length of the fence?
A 70.2 feet B 73.4 feet C 74.7 feet D 182.2 feet rectangle. width is 14. area is 317.8
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02/16/17

5x-3<6x-2x
5x-3<6x-2  
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02/16/17

karina was comparing the volume of a 20-inch cube to the volume of a 10-inch cube. how many times greater is the volume of the larger cube?
find the volume
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02/16/17

what makes 24<y+7 true
what makes 24<y+7 true
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02/16/17

How many square feet?
You would like to put new carpet in your living room.you measure 15.5 feet along one side wall.you try to measure the other wall, but there is furniture in the way, so you measure the diagonal... more
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02/16/17

Algebra 2 HN
3 square root 81 divided by 4 square root 27. Solve and show work
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02/16/17

Please read the Description: What is the value of x?
A plot of land doubles in size by adding x meters to the length and x meters to the width of the land.  If the original plot had an area of 200 by 300 meters, what is the value of x?
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02/16/17

The cost of flying from Seattle to San Diego starts from $139 per person
write an inequality to represent the situation. Then graph the inequality 
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02/16/17

A tree casts a shadow 130 feet. If the angle of the elevation is 47, which is the closest to the distance from the top of the tree to the tip of the shadow
A tree casts a shadow 130 feet. If the angle of the elevation is 47, which is the closest to the distance from the top of the tree to the tip of the shadow
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02/16/17

Todd drives his car the same way home from work every day.
He drives his car directly East for 11 miles, and then turns and drives directly North for 6 miles until he reaches his home. The city is considering putting in a road that will run directly from... more
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02/16/17

Segment AB is congruentbto segment AB. What property does this statement shows?
Segment AB is congruent to segment AB. What propert does this statement shows?
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02/16/17

A man is walking through a tunnel and I can't figure out how someone can run the same speed and make it to the end of the tunnel.
A man is walking through a tunnel. When he is exactly 2/5 of the way through the tunnel, he hears a train coming behind him. The train is moving at a steady 60 mph. How could he know what a bind he... more
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02/16/17

Who, ultimately, should have access to your genetic screening information? Is it reasonable to expect that someone likely to develop a very expensive illness sh
Who, ultimately, should have access to your genetic screening information? Is it reasonable to expect that someone likely to develop a very expensive illness should have to share an increased... more
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02/16/17

You intend to create a college fund for your baby. If you can get an APR of 3% with monthly compounding
and want the fund to have a value of $106,669 after 19 years, how much should you deposit monthly?     Need steps please   A-$5,488.89 B-$295.53 C-$347.68 D-$382.45
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02/16/17

Express the volume of the container as a function of its height
Container Corporation of America wants to manufacture a box with no top from a 10 inch by 12 inch peice of metal by cutting equal-sized squares from each corner and bending up the sides. Express... more
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02/16/17

a. Find the middle number in the 99th row.
Row 1 1 Row 2 3 5 Row 3 7 9 11 Row 4 13 15 17 19 Row 5 21 23 25 27 29 a. Find the middle number in the 99th row. b. What is the sum of the numbers in the 30th row. c. Find the difference between... more
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02/15/17

One Sunday, Angie did math homework for one hour, which was half the total time she spent on homework that day. How much time did she spend on homework?
Write an equation that could be used to solve the problem. Thx 
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