07/10/18

Inferential Statistics
The cruising altitude for the fleet of one commercial airline are normally distributed with a mean of 34,950 and a standard deviation of 1830 feet. Determine the percentage of flights that have a... more
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07/08/18

Linear Modeling Word Problem
You are a chemist and you have a supply of a brine solution that is 40% salt and a brine that is 20% salt. You are performing a experiment that requires you to have 12 liters of a 25% brine... more
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07/08/18

How many pounds of walnuts at .87 per pound should be mixed with 10 lb of pecans at 1.29 per pound to give a mixture worth 1.17 per pound?
I don’t under stand how to set the equation up so if someone can please break it down to me and show me how it’s done I appreciate you very much 
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07/08/18

2.63 divided by .305
solution and step by step
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06/08/18

If you want to be 99% confident of estimating the population proportion to within a sampling error of +-0.05, what sample size is needed?
sample size needed
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06/07/18

3 notebooks and 2 pens cost Php 330 , 2 notebooks and 3 pens cost Php 240 . FIND THE COST OF 1 NOTEBOOK AND 1 PEN
Help my brain blew up
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06/07/18

Find the zeros (roots) of the following equations. f(x) = 2x5 - 9x4 + 12x3 - 12x2 + 10x - 3 = 0
im taking a class but working at home right now and I just can't pass this assignment  please help
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06/07/18

Construct a box-and-whisker plot for the data with a minimum of 34, first quartile of 37, median of 42, third quartile of 52, and a maximum of 60. Solve for the
help solve please.
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06/07/18

There are 4 captains of the football team. how manu different ways can they lie up to receive their championship rings?
probabilty
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06/07/18

For example, What do you need to remember to do when solving this inequality? -5x < 15
What is the key item to remember when you are multiplying or dividing by a negative number in an inequality equation? Explain why this is true.
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06/07/18

Monica can walk 3.8 kilometers in 40 minutes, and she can jog twice that distance in the same amount of time. How far could Monica jog in 1 hour at this rate?
Algebra 1b
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06/07/18

Monica can walk 3.8 kilometers in 40 minutes, and she can jog twice that distance in the same amount of time. How far could Monica jog in 1 hour at this rate?
Algebra 1b
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06/07/18

A cab driver drives from the airport
  Full question A cab driver drives from the airport to a passenger’s home at an average speed of 60 miles per hour. After the pickup, the cab driver returns with the passenger along the same... more
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06/07/18

the distance d that a car will travel at a rate, or speed, r in time t is given by the formula d=rt
a car travels at 61 miles per hour (mph) for 4.5 hours. how far will it travel   Solve the formula for T
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06/06/18

help to solve this question
he plans for a shed call for a rectangular floor with a perimeter of 240 ft. The length is two times the width. Find the length and width.
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06/06/18

probability
Can I get some help with answering the below questions using the counting principle? 1. A coin is tossed three times. What is the probability of getting heads just once? 2. A month is chosen at... more
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06/06/18

Prove this identity:
prove the following identity: 2sin^2(x)/sin2(x)+cot(x)=sec(x)csc(x)   please note that the cot(x) is not with the sin2(x) as a part of the denominator. The 2sin^2(x)/sin2(x) is its own fraction.... more
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06/06/18

If the buildings window is 36 feet high in the ladder is 25 feet from the base of the building how long must The ladder be to reach the window
1122233537827272737272
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06/06/18

What’s 5 to the power of 3 plus 5 to the power of 2
53+52=
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06/06/18

cos^2∅tan∅sec∅=sin∅
Prove each trigonometric identities. 
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06/06/18

need help asap
Jolene invests her savings in two bank accounts, one paying 5 percent and the other paying 10 percent simple interest per year. She puts twice as much in the lower-yielding account because it is... more
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06/06/18

(square root of 6 - square of 7) ( square of 6 + square of 7 )
(square root of 6 - square of 7) ( square of 6 + square of 7 )
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06/06/18

How are arithmetic and geometric sequences related to exponential and linear functions
Help  
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06/06/18

How do you write a piecewise function from a word problem
A school fair committee wants to sell t-shirts for their school fair. They found a supplier that sells tshirt for 175 pesos a piece but can charge 15 000 pesos for bulk order of 100 shirt and 125... more
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06/06/18

2400=2x.3y.5z find x,y,z
If2x.3y.5z =2400 find x,y,z
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