04/03/15
radical form two ways
I am given the following equation in Algebra 2:
xm/n can be written in radical form in two ways:
It is followed by two blank spaces separated by and. I think the first one is n√xm. What is...
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Determine the value of k *please help!! I have a math unit test on april 7th!*
Determine the values of k for which the function f(x) = 4x^2 - 3x + 2kx +1 has two zeros.
write an equation that describes the function.
10,-5
12, -6
14, -7
16, -8
04/02/15
NEED ANSWERED ASAP Find dy/dx when x=2 given that y=³vu and u= x2 +x+1
Find dy when x=2 given that y=³√u and u= x2 +x+1 dx
04/02/15
Inverse functions
The percentage of material retained during algebra class varies directly as the square of the number of hours of sleep a student got the night before and varies inversely to the number of hours a...
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04/02/15
What was the interest rate as a percent?
Suppose $80,000 is invested into an account where interest is compounded monthly. After 30 years, the balance is $637,803.What was the interest rate as a percent?
04/02/15
Word Problem
An aquarium tank can hold 6000 liters of water. There are two pipes that can be used to fill the tank. The first pipe alone can fill the tank in 40 minutes. The second pipe can fill the tank in...
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04/01/15
Show work to algebraically find the exact value of all the solutions in the interval [0,2p) to tan(x + p) - cos(x + (p/2)) = 0
Please Help! Find all solutions.
The ratio of each exterior angle to each interior angle of a regular polygon is 2:3 find the number of sides
Sum of interior angle of a polygon= (2-n)×180
sum of exterior angles of polygons= 360
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03/31/15
Probabitity
a bag contains pieces of paper numbered 1-30. One card is randomly selected. What is the probability that the number on the card is a multiple of 5 or a multiple of 3
03/31/15
Three times a number added to 4 is divided by the number plus 5 the result is five halves
Three times a number added to 4 is divided by the number plus 5 the result is five halves
03/31/15
Thirty quarts of a 24% iodine solution were mixed with a 52% solution to make a 40% iodine solution. How many quarts of the 52% solution were needed?
i would appreciate it if you could try to show me the best/simplest way you think this can be solved and thank you. :)
How do you graph |x+y|=2? Can it be considered parallel?
How do you graph |x+y|=2? Can it be considered parallel?
03/30/15
What will the new dimensions be, in centimeters?
Adaku has a rectangular photograph that is 20 centimeters wide by 30 centimeters long. She wants to reduce the area of the photograph by 264 square centimeters by decreasing the width and length by...
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03/30/15
Roberto is 30 years younger than Kate. In 12 years, Kate will be 3 times as old as Roberto will be. Find the present ages of roberto and Kate.
I Don't understand how to do this I would appriciate if this has an answer thank you :)
03/30/15
A Jogger ran 7 miles, decreased her speed by 1 mile per hour, and than ran another 8 miles. if her total hows were 2 23/30 , find her speed in each run
Please help I seem to always get stuck, on these word problems, thank you!!! A Jogger ran 7 miles, decreased her speed by 1 mile per hour, and than ran another 8 miles. if her total hows were 2...
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03/30/15
Given the equation of the circle 2x^2-20x+2y^2+16y+10=0
find the center and the radius of the circle.
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03/30/15
Given the points 3,10 and 11, -2 find the distance and midpoint between the two points
find the distance and the midpoint between two points
03/30/15
You are pulling a kite back to the ground at a rate of 2 feet per second. After 4 seconds, the kite is 16 feet above the ground.
write an equation that
represents the height Y (in feet) above the ground after X seconds.
at what height was the kite pulled in?
when does it hit the ground?
03/30/15
Standard and Slope Intercept form
A line passes through the points (2,-3) and (1,-1).
Find the equation in. (a) standard form and (b) slope-intercept form
03/29/15
Two tangents form an angle. If the ratio of the major arc is 7:5, what is the measure of the angle?
Two tangents form an angle. If the ratio of the major arc is 7:5, what is the measure of the angle? We would like a picture as well. Thanks
03/29/15
Let v=3i+4j+k ... and w=i+2j-3k ... The vector v+pw is perpendicular to w. Find the value of p.
This is question is on vectors. I do know that when a vector is perpendicular, its dot product is 0. Please help!
03/29/15
Percentage?
The percentage score on a test varies directly as the number of correct responses. Jack answered 44 questions correctly and earned a score of 55%. What would Jack's percentage score have been if he...
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03/29/15
math problem
The Depressed Cubic The most general cubic (thirddegree)equation with rational coefficients can be writtenasx^3+ax^2+bx+c=0(a) Show that if we replace x by X a/3 and simplify, weend up with an...
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