12/25/14

x squar -(2+m)x+(msquar-4m+4) has coincident root ,then m is
sir what is coincident and I have a dout why we cant take direct roots
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12/25/14

two cyclists travel in opposite direction .one travel at 6 mph faster than the other.in 2 hour they are 24 miles apart.what is the speed of faster cycle?
explain me in short trick sir
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12/24/14

The enrollment at college this year is 115% of last year’s enrollment. If there were 1,240 students enrolled last year, how many students are there this year?
This question is hard please solve it.
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12/23/14

f(x)=-6x-1 and g(x)=4x^2 Select the solution for (f+g)(x)
f(x)=-6x-1 and g(x)=4x^2  Select the solution for (f+g)(x)
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12/22/14

What is the value of "x"?
The dimensions of an old stage are 30 feet wide and 15 feet deep. The new stage is 1000 square feet. The demensions of the new stage were created by adding "x" to the width and the depth of the old... more
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12/22/14

Elevation of an Angle
Two straight roads diverge at an angle of 35°. Two cars leave the intersection at 2:00 P.M., one traveling at 50 mi/h and the other at 58 mi/h. How far apart are the cars at 2:30 P.M.? (Round your... more
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12/21/14

A two Digit number is 1 more than 8 times the sum of the digits. The ones digit is 3 less than the tens digit. What is the number?
Linear Equantions 
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12/19/14

Write the equation of the line with given properties, in slope-intercept form. slope=-5,through(-4,1)
Alegbra Homework
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12/19/14

how many of the wraps sold were vegetarian?
the school cafeteria sells two kinds of wraps:vegetarian and chicken. The vegetarian wrap costs $1.00 and chicken wrap costs $1.80. today they made $98.80 from the 70 wraps sold. How many wraps... more
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12/19/14

Please answer both questions.
A radioactive element is such that N grand remain after t hours, where N =12^-0.031t   A.) how many grand are inItaly present?  B.) after how many hours are there 6 grams of the element left. 
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12/19/14

How long will it take so the balance will reach $2500.
Assume you have deposited $1500 into a bank with a fixed interest rate of 5% a and compounded continuously. How long will it take so the balance will reach $2500. Please show work. 
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12/19/14

The indicator of oil tank shows 1/5 full. when truck delivers 165 gallons oil, the indicator shows 4/5 full. What is the capacity ) of the tank?
options in gallons are 55 145 105 275 plz explain properly
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12/18/14

Geometric series?
A ball is dropped from an initial height and allowed to bounce repeatedly. On the first bounce (one up-and-down motion), the ball reaches a height of 32 inches. On each successive bounce, the ball... more
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12/18/14

Prove that log(base x)y=a(m)^2 and for all a,b,m, bam=1, then log(base y)x=b/m
How do I do this?
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12/18/14

If log(base 2n)(1944)=log(base n)(486sqr(2), determine the value of n^6
How do get an answer of approx 2.23*10^11?
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12/18/14

2/5n=3/10n-3/5
Solving fractional equations  
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12/18/14

In DEF, m E = m F = 60 . DF = 7 – 2x and the perimeter of DEF = 51. Find x
In DEF, m E = m F = 60 . DF = 7 – 2x and the perimeter of DEF = 51. Find x
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12/17/14

It says: Write the equation of the line (3 forms) as in standard, slope intercept and point slope form. The problem gives two coorrdinates (3,6) and (4,8)
....please someone help, i have a test on this tomorrow :(
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12/17/14

a recipe calls for 1/2 of ingredient A for every 1 2/5 cups of ingredient B. You use 2 cups of ingredient A. How many cups of ingredient B do you need?
I cannot seem to understand this problem. This is also on my semester exam review homework.
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12/17/14

Pure acid is to be adderd to a 10% acid solution to obtain 90L of 94% solution. What amounts of each should be used?
Pure acid is to be added to a 10% acid solution to obtain 90L of 94% solution.  What amounts of each should be used?
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12/17/14

727 tickets were sold for a total of $5463. Student tickets were sold for $6 and nonstudent tickets were sold for $9. How many studnet tickets were sold?
Algebra word problem
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12/17/14

how do you solve a matrix equation
[-3 -2] X= [8 -1]   1 1          6   0
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12/17/14

Average Speed
I was in Los Angeles, Ca and I went to Topeka, KS. It took me 23 hours of driving and 1,557 miles to get there. Can you help me figure out what my average speed was ?                              ... more
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12/16/14

a faucet leaks 3 oz. of water per minute. How many gallons (128 oz.) of water are wasted in a year?
there are 128 ounces of water in a gallon. This faucet purportedly leaks 3 ounces every minute. Over the course of 1 calendar year, how many gallons of water are wasted from said faucet? 
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12/16/14

How do I solve this word problem
The Connecticut River flows at a rate of 4 km/hr. In order for a cruiser to travel 60 km upriver and in a total of 8 hr, how fast must the boat be able to travel in still water?
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