04/15/15

it takes me 30 minutes to walk home and my brother 40 minutes. if he left 8 minutes early how long will it take me to catch up? please explain how you got this.
it takes me 30 minutes to walk home and my brother 40 minutes. if he left 8 minutes early how long will it take me to catch up? please explain how you got this.
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04/15/15

A car left Detroit traveling 45 mi/h. A second car left from the same place one and a half hours later. It traveled on the same road and met the first car after
I'll appreciate it if someone can show me a really simple way to do this 
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04/15/15

Word Problem
One person runs 3 miles per hour faster than a second person. The first person runs 3 miles in the same time the second person runs 2 miles. Find the speed of each person.
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04/15/15

I need help with this math problem.
Aphrodite traveled 144 leagues in 12 days. The she doubled her rate. How long would it take her to travel 168 leagues at this new speed?
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04/15/15

Find point of the line
Find the point on the line -5 x + 2 y + 3 =0 which is closest to the point ( -5, -3 ).
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04/15/15

Use algebra tiles to find the difference. Let one white tile equal +1 and one black tile equal –1. 6 – (–9)
 multiple choice 
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04/15/15

What is the area of the campground?
A rectangular campground has length 4x+7 and width 3x-2. What is the area of the campground?
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04/15/15

a laptop is worth 2800. each year its value is 65% of its value the year before. After how many years will the laptop computer be worth 400 or less?
write the smallest possible whole number
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04/15/15

solve by elimination method
8x-y=67 x+7y=44   determine solution of the system. select the correct choice below and, if necessary, fill in the answer box to complete your choice   a) _ (type an ordered pair) b) there... more
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04/15/15

They will lose contract after ___ hrs
A truck and car leave a service station at the same time and is traveling also in the same direction. The truck travels at 60 mph and the car at 54 mph. They can maintain radio contact within a... more
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04/14/15

true or false - An interval estimate may or may not contain the value of the parameterbeing estimated.
this is a statistics 125 test. im having trouble finding the answer
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04/14/15

Quantitative or Qualitative?
I have a chart of last year revenue for 5 different retailers. To me that seems like quantitative data because they are measured numbers. However, if I try to show it in a graph, it needs to be a... more
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04/14/15

Below is a hypothesis test set up
Below is a hypothesis test set up by a student who recently took introductory statistics:   Ho: x = 5Ha: x ≠ 5   The sample mean of 100 cases used to implement the hypothesis test is x =... more
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04/14/15

Please help me please
During the month of April, Dora kept track of the bugs she saw in her garden. She saw a ladybug on 23 days of the month. What is the experimental probability that she will see a ladybug on May 1?
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04/14/15

Abdul has a job transporting soft drinks by truck...
Abdul has a job transporting soft drinks by truck. His truck is filled with cans that weigh 14 ounces each and bottles that weigh 70 ounces each. There is a combined total of 870 cans and bottles... more
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04/14/15

The total profit made by an engineering firm is given by the function p = x^2 - 25x +5000. Find the minimum profit made by the company.
p = x2 - 25x + 5000  
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04/14/15

during morning rush, entering travelers can fill a station in 20 min.departing trains can empty it in 30 min. At rush hour pace, how l
during the morning rush, entering travelers can fill a station in 20 minutes. Fortunatley, departing trains can empty it in 30 minutes. At rush hour pace, how long will it take to for the station... more
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04/14/15

Joy and Cullen put some money into their money boxes every week. The amount of money (y), in dollars, in their money boxes after a certain amount of time (x), i
Joy and Cullen put some money into their money boxes every week. The amount of money (y), in dollars, in their money boxes after a certain amount of time (x), in weeks, is shown by the equations... more
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04/14/15

Mean Question
The average of n numbers x^1, x^2, x^3, ........, x^n is M. If x^n is replaced by x', then new averageis______
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04/13/15

A woman bought 5 yams at W34 per year and 3 pineapples at W5 each, where W is the currency reckoned in base 6. Find the total amount spent by the woman.
A woman bought 5 yams at W34 per year and 3 pineapples at W5 each, where W is the currency reckoned in base 6. Find the total amount spent by the woman.
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04/13/15

Candy selling at $6.00/# will be mixed with candy selling at $9.00/#. How many pounds of the 9.00/# candy is needed to produce a 15# mixture at $7.00/#?
Candy selling at $6.00/# will be mixed with candy selling at $9.00/#. How many pounds of the 9.00/# candy is needed to produce a 15# mixture at $7.00/#?
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04/13/15

If n=540 and pˆ (p-hat) = 0.63, construct a 95% confidence interval. Give your answers to three decimals
If n=540 and pˆ (p-hat) = 0.63, construct a 95% confidence interval.Give your answers to three decimals
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04/12/15

popcorn for $1 each and bags of peanuts for $2 each. buy x bags of popcorn and y bags of peanuts. doesn't want to buy more than 8 bags. He has $14 to spend
A ballpark sells bags of popcorn for $1 each and bags of peanuts for $2 each. Hector will buy x bags of popcorn and y bags of peanuts. He doesn't want to buy more than 8 bags to feed his group of... more
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04/12/15

An erratic flash drive has a history of one read error in every 21 tires. What is the probability of at least one read error in the next 5 tries?
Give answer as a decimal rounded to three places.
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04/12/15

10C8(3/5)^7(2/5)^2
IT the probability of a basketball player making a given free throw is 3 out of 5, fin the probability that the player makes exactly 7 out of her next 10 free throws using the given.
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