04/07/14

whats 3/18*4/7*19/38*3/16 simplified?
 my math teacher gave this to me but i dont understand anything he has explaind
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04/07/14

PROBABILITY QUESTION - PLEASE ANSWER
A spinner has equally sized sections, of which are gray and of which are blue. The spinner is spun twice. What is the probability that the first spin lands on blue and the second spin lands on gray ?
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04/07/14

how do you find the normal distribution between two values
What percentage of the fittings have diameters between 7.0 cm and 8.0 cm if the mean diameter is 7.5 cm and the standard deviation is 0.5 cm?
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04/07/14

Confidence Interval: x_bar ± zc(s/vn) The margin of error is: E = zc(s/vn)
Confidence Interval: x_bar ± zc(s/√n)The margin of error is: E = zc(s/√n)Using those formulas, respond to the following questions and support your response by referring to the formula:What happens... more
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04/07/14

An object moves with a constant acceleration of 5 m/s squared which of the following statements is true
A. Just velocity stays the same b. it moves 5 m each second c. Objects velocity changes 5 m/s each Second
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04/05/14

simplify solutions
  assuming the solution is undefined, simplify     a^2m b^m+1                  I have the answer as    2^m+1,  is this correct?       a^m b       write in simplest form without negative... more
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04/04/14

The plumber charges $50 for the first visit plus $8 per hour of work. If the plumber’s total bill is $290, how many hours did he work?
i need help with this problem , i have done this problem over 30 times and i cant seem to know the answers . Its really making me mad . 
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04/04/14

Can someone help me with this questions?.But please dont give me the answer.I just dont understand this lesson
1)Find the cross product and show it is orthogonal to both u and v. u=<-3,2,3> v=<0,1,0>   2)Find the cross product and show it is orthogonal to both u and v.      u=6k    ... more
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04/02/14

Sam has a savings account that increased in value over a twelve month period from $8,765.00 to $9,006.04.What annual percent interest did he receive?
I need help on how to work this problem out
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04/01/14

Girl walks her dog twice a day. Her evening wlak is two and a half times as far as her morning walk. At the end of the week she walks her dog 30 miles. How l
Need the understand how to set up the problem asked: Girl walks her dog twice a day.  Her evening wlak is two and a half times as far as her morning walk.  At the end of the week she walks her dog... more
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04/01/14

Find the constant term in the expansion
Find the constant term in the expansion of (-2x6+(5/x))21. What is the constant term?
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04/01/14

Write the equation in slope-intercept form of the line that has a slope of 7 and y-intercept of 1.
Write the equation in slope-intercept form of the line that has a slope of 7 and y-intercept of 1.  
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03/30/14

Find the constant term
Find the constant term in the expansion of  (-2x6+(5/x))21
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03/30/14

Find the integral?
Find the integral of (2 dx)/(x^2-2x) from 3 to infinity.   Please show all your work.
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03/30/14

Find distance if given coefficient of kinetic friction, initial velocity, and mass
I don't have a specific question in mind but I just want to know what equations I wouold use and what steps I would take. EX:You're given initial velocity, coefficient of kinetic friction of the... more
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03/30/14

identify the solution(s) of the system of equations, if any x+4y-7 4x-12y+7
Identify the solution(s), of the system of equations, if any 4x+2y=7                                                                                                                                ... more
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03/29/14

There was a toatl of 2612 tickets sold for $41,320 to a concert. Floor seats cost $20 and balcony seats cost $10. How many of each type of seat was sold?
Need to find how many of each ticket was told either being twenty dollars or ten dollars for the ticket.
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03/28/14

functions and formulas
help me translate this into english please!! f(x)=4x^+2;find f(-1) what is this asking? i know that f(x) is the same as y,correct? what do they mean by "find f(-1) are they asking to find x and y?
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03/28/14

graphing linear equations
graph the linear equation: 3x -y=3  I did the tbar for this one and came up with x-(1,0) (-1,-6) (2,3) I plotted a straight line,so it appears ok? The other one was: 2x+3y=12 I did the slope... more
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03/28/14

what does the word "feasibility" mean?
  It, in fact, proved the feasibility of a transcontinental road and demonstrated that such a line could be built and operated continuously the year around   Based on the context, what does the... more
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03/28/14

6x^3 - 9x^2<0
6x3 - 9x2 <0 Solving for all values of x.      
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03/27/14

what is solution for 5xD+4=negative 26
need help with algebra what is 5xD+4=_26
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03/25/14

Find the rate at which the utility changes with respect to the number of tickets bought
Find the rate at which the utility changes with respect to the number of tickets bought. Utility is a type of function that occurs in economics.   When a consumer receives x units of a... more
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03/25/14

a. What is the current population of Glen Road b. What will be the population in the long run?
A major corporation is building a 4325-acre complex of homes, offices,stores, schools, and churches in the rural community of Glen Road. As a result of this development, the planners have... more
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03/25/14

a business has seven locations to choose from and wishes to rank only top 3 locations. How many different ways can this be done?
7 locations rank top 3 locations. How many different ways can this be done?  
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