04/11/16

Find the vertices and foci of the ellipse x2+2y2+2x-20y+43=0
Find the vertices and foci of the ellipse x2+2y2+2x-20y+43=0
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04/11/16

Find the equation of the parabola with focus (-4,0) and directrix x=4. What is the length of its latus rectum ?
Find the equation of the parabola with focus (-4,0) and directrix x=4. What is the length of its latus rectum ?
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04/11/16

Derive the equation of the parabola with a focus at (2, 4) and a directrix of y = 8.
A. f(x) = −one eighth (x − 2)2 + 6B. f(x) = one eighth (x − 2)2 + 6C. f(x) = −one eighth (x + 2)2 + 8D. f(x) = one eighth (x + 2)2 + 8
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04/11/16

College math question -words to algebra
Radiator 80% water and 20% antifreeze Fluid leaks out Add 9 quarts water now only 10% antifreeze What is capacity of radiator
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04/11/16

quadratic function whose graph is a parabola containing the given points.
An egg is dropped from the top of a 576-foot-high building. The ball is 432 feet above the ground after 3 seconds, and it reaches level ground in 6 seconds. The height above ground is a quadratic... more
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04/10/16

pythagorean theorem to find x
22-12=x
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04/10/16

Finite math
The heights of a given population are normally distributed with a mean of 5.8 ft and a standard deviation of 0.3 ft. What is the cutoff height to be in the top (tallest) 10% of the population? That... more
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04/10/16

how many of these choices is right?
The angle measure,θ, in radians is ...-found by multiplying two rays of length r meters by a distance of s meters.-the openness of two rays, r meters long compared to the circumference in... more
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04/10/16

does a population have to be normally distributed in order to use the chi-square distribution?
I need to know this since I'm in statistics and it was a difficult question.
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04/10/16

Calculus Question
A spotlight on the ground shines on a wall 12m away. If a man 2m tall walks from the spotlight toward the building at a speed of 1.6 m/s, how fast is the length of his shadow on the building... more
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04/10/16

A street light is mounted at the top of a 15ft-tall pole.
Please help me   A street light is mounted at the top of a 15ft-tall pole. A man 6 ft tall walks away from the pole with a speed of 5 ft/s along a straight path. How fast is the tip of his shadow... more
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04/10/16

what is the probability that at least one union employee is selected?
This is a finite math question or Math for Business and Economics.   to test a new car, an automobile manufacturer wants to select 5 employees to test drive the car for one year. If 15 management... more
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04/08/16

doubt for word problem experts
A man performs 3/5 of the total journey by rail 17/20 by bus and remaining 6.5 km on foot his total journey is ?   i know the answer and how to solve but i have doubt please understand my... more
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04/07/16

how many pounds of peanuts costing $2 a pound should be mixed with 4 pounds of cashews costing $4.50 a pound to obtain a mixture costing $3 a pound?
Algebra 1 word problems
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04/07/16

Find three consecutive odd integers.
The sum of twice the 2 integer and three times the largest integer is five less than four times the smallest integer. Has to have a clear LET STATEMENT.
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04/07/16

For the polynomial equation 9x^{10}+x^{5}-2x-17 = 0, what is the number of (complex) solutions that satisfies this equation?
including multiplicity; what is the number of solutions, n=?
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04/07/16

Algebra Question
Whats the remainder using the remainder theorem and check using synthetic division. x3 - 2x2 + 5x - 6 divided by x - 3 Remainder:    Remainder Theorem:   I have to show work
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04/07/16

Confused on how to do problem? Algebra II
Use the Factor Theorem to determine if the first polynomial is a factor of the second polynomial. Is (x - 2) a factor of x3 + 2x2 - 5x - 6? i have to show work please explain the process 
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04/07/16

basic math
compute the total cost per year. sheryl spends $8 every week on cigarettes and spends $30 a month on dry cleaning. On an annual basis, the money spent on cigarettes is __% of the money spent on dry... more
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04/06/16

MATH PROBLEM HELP
Let U = {7, 8, 9, 10, 11, 12, 13, 14, 15, 16}, A = {7, 9, 11, 13, 15}, B = {8, 10, 12, 14, 16}, and C = {7, 8, 10, 11, 14, 15}. List the elements of each set. (Enter your answers using roster... more
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04/06/16

MATH PROBLEM HELP
In a survey of 375 individual investors regarding subscriptions to the New York Times (NYT), Wall Street Journal (WSJ), and USA Today (UST), the following data were obtained.124 subscribe to the... more
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04/06/16

Midsegment Practice
Consider the triangle with the vertices: A=(1,2) B=(-1,8) C=(7,10) a. find the midpoint M of Line Segment AB b. find the midpoint N of Line Segment AC c. Verify that Line Segment MN is parallel... more
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04/06/16

Compare that volume and surface area of a sphere with diameter 3 m with that a cylinder with height 1.5 m and a base with radius 1 ft.
thanks
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04/06/16

If the parabola and line intersect at the origin, which statement must be true?
vThe vertex of a parabola is in the first quadrant of a coordinate grid. A line with a negative slope passes through the origin. If the parabola and line intersect at the origin, which statement... more
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04/06/16

For the polynomial equation 9x^{10}+x^{5}-2x-17 = 0, what is the number of (complex) solutions that satisfies this equation (include multiplicity)?
I need to know number of solutions, n=...including multiplicity.
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