07/12/16

If 2/3 of the rookie firefighters were partnered with 3/5 of the experienced firefighters, what fraction of the total. Umber of firefighters are partnered?
Please help with this problem it was given in a math workshop today, and I can't figure it out If 2/3 of the rookie firefighters were partnered with 3/5 of the experienced firefighters, what... more
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07/12/16

Question is in description Please help me answer
Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 5 liters of natural oil for every 7 liters of synthetic oil. In order to make 804 litters of petrolyn oil, how many... more
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07/12/16

i'm not sure what this question is asking
parallel lines   provide an equation for a line parallel to the line given by y=4x-2   and perpendicular line   if a line contains the x-intercept 4 and the y intercept -2 find the slope of... more
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07/11/16

experimental vs theroretical probibility
  luis rolled a number cube 60 times. he rolled the number 6 four times. which is most likely of the discrepency between luis expreimental outcome and the predicted outcome
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07/11/16

How many nickels are in the jar
A drawer contains quarters and nickels. There are 200 total coins valuing $30.00. Think about a system of equations that can be used to represent the number of quarters and nickels and then think... more
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07/11/16

Pat can inspect a case of watches in 5 hours. James can inspect a case of watches in 3 hours... Rest of the problem is in the description!
Pat can inspect a case of watches in 5 hours. James can inspect a case of watches in 3 hours. After inspecting a case of watches alone for one hour, Pat stops for lunch. After lunch, Pat and James... more
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07/11/16

there are 207 basketball fans who plan to go to a game.how many buses will be needed, given that each bus could hold 38 fans
 math problem I  cant seem to figure this out I am terrible at math.
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07/11/16

GRE Scores
Suppose that scores on the mathematical portion of the SAT college-entrance examination have a mean of 500 with a standard deviation of 100 and are normally distributed. A university that Maria... more
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07/10/16

What is the name that Jesus gets after the resurrection...
in book of acts? 
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07/10/16

If f(x) = 3x + 2, find f(f^–1(14)).
Is the answer 4 or 14?
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07/10/16

A baseball team score 91 runs in 13 games. At this rate, how many runs should they score in 20 games?
Need answer for the above problem  
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07/10/16

At the fruit stand, Dawn sees that she can buy 6 baskets of strawberries for $16. How much will it cost for her to buy 30 baskets of strawberries?
Could you type in the answer and work a little simple for me to understand. Must show my work
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07/10/16

A bag contains 3 red balls and 3 blue balls. 3 balls are selected at random. Find the probability of selecting 3 red balls.
Needing to find the probability of finding 3 red balls 
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07/10/16

standard deviation
Nationwide it has been shown that the average height of American adult men is approximately 69.7 inches and a standard deviation of 2.7 inches. Assuming that the heights are normally distributed... more
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07/10/16

Exponential functions. Solving for x
Hi, I need help solving this :    (1/e)-x = (1/e2)x+1 
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07/10/16

Help please! Easy word problem
A company manufactures rulers. Their 12 inch rulers pass quality control if they're within 1/32 inches of the ideal length. What is the longest and shortest ruler that can leave the factory? solve... more
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07/10/16

Inverse functions
Hi, I need to know if my amswer is right because my book is saying something else. It says to find the inverse function of f(x)= x+5 . My answer for the inverse of this is f-1 (x) = x-5
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07/09/16

a basketball team played 62 games. they won 34 more than they lost.how many games did they win
a basketball team played 62 games. They won 34 more than they lost. How many games did they win?
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07/08/16

two people are 3.21miles apart and both spot a hot air balloon.One person observes the balloon at an angle of elevation of 25 degrees and the other observes th
two people are 3.21miles apart and both spot a hot air balloon.One person observes the balloon at an angle  of elevation of 25 degrees and the other observes the balloon at an angle of elevation of... more
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07/08/16

Physics Solve formula for given variable
Solve the formula for the given variable  S=Vot-16t^2; Vo
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07/08/16

college 5 9.4
A college is creating a new rectangular parking lot. The length is 0.19mile longer than the width and the area of the parking lot is 0.033square mile. Find the length and width of the parking lot.
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07/07/16

Earthworms Lab Questions
What regular polygon (polygons are 2-dimensional) has the greatest surface area to perimeter ratio? (Identify a shape or a characteristic of a regular shape that might affect the ratio.)   Is... more
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07/07/16

Piece wise functions
Hi, how would i create the piece wise function for this :    y=| x+2 | +3
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07/07/16

Value Mixture : URGENTLY NEED HELP
Two parts;(a) If a parade 1 mi long is proceeding at 2 mph, how long will it take a runner jogging at 6 mph to travel from the front of the parade to the end of the parade? hr (b) If a parade... more
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07/07/16

Value Mixture problem
How much water must be evaporated from 16 qt of a 55% antifreeze solution to produce an 80% solution?
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