01/31/17

You select 3 cards randomly from a deck of 52 cards
What is the probability that all of the cards selected are face cards (i.e. jacks, queens, or kings)?
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01/30/17

Word Problem
A group of friends are sharing candy in a movie theatre. Ben ate half of the jelly beans in the box and passed it to Clarissa. Clarissa ate one third of the remaining jelly beans, then passed the... more
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01/29/17

PRE CALC 12 PLEASE HELP
an organization determines that the cost per person of chartering a bus is given by the formula c(x)= 250+7x/x write the number of people, x, as a function of c
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01/25/17

Find a third degree polynomial equation with rational coefficients that has roots -5 and 6+i
Looking for a polynomial, thanks.
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01/23/17

lisa walked down and back on a 50ft moving sidewalk in 40 seconds the sidewalk moves at a rate of 2.5 ft/sec how fast is lisa moving?
i don't know how to do this
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01/23/17

Find two different values that complete each expression so that the trinomial can be factored into the product of two binomials. Factor your trinomial
15v^2-?v-24
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01/23/17

Use a sequence of values of x near a =2 to estimate the value of lim approaching 2
I have the following function f(x)= 16-x^4/x^2-4 and im asked to choose a sequence of values of x near a = 2 to estimate the value of lim as x approaches 2 f(x) im not sure if i can choose values... more
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01/22/17

basic python math problem
Peggy listed a real estate property for a commission rate of 5.0%. Peggy’s brokerage will get half of the commission and Peggy’s share will be half of that. The property sells when reduced by 20%.... more
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01/19/17

Integration - AP Calc AB
Use the limit definition to evaluate the definite integral fnInt (2x^3+3)dx lower bound-2 upper bound - 6. (Use right endpoints for c sub-i and equal subintervals
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01/12/17

What is the answer to the system of linear equation using elimination?
The problem is 2/3x+1/4y=18,  1/6x-3/8y=-6
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01/10/17

If a number is added to its square, the result is 72. Find the number.
Its an algebra problem. Solving for the missing variable.
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01/10/17

h(t)=-4000t^2+3000t
The height "h" of a fleas jump in millimeters can be modeled by the function h(t)=-4000t^2+3000t, where t is the time in seconds. What is the maximum height that the flea will reach? What time will... more
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01/09/17

Solve for angle x. (Image)
Solve for angle x.   https://i.imgsafe.org/43e786f156.jpg (This web link features a diagram to assist with the problem)   Can you please include the process of how to solve the problem? Thank you. more
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01/06/17

a cone has a lateral surface area of 58.7 square inches. the diameter of the base of the cone is 5.75 inches. what is the slant height of the cone?
LSA= 1/2CL
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01/06/17

A line with a slop of 6 passes through the point (1,6). What is it's equation in slope intercept form?
I know that I have to use this Y-mx=b and I know how to set it up but yet I'm still confused. 6=6x+1 
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01/06/17

h(x) = -5(x+1)(x-3)
What is the height of Ana above the water at the time of diving? meters     How many seconds after diving will Ana hit the water? seconds       P.S. i had to take out all the spaces because... more
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01/02/17

Area of a square with side m is equal to area of a triangle with base m, find the altitude of the triangle?
hello Dear,   Please i need step by step solution to the above question. It's my home work.   I will be greatful if you could help me with the problem.   Many thanks and Happy... more
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01/02/17

how do i figure out this word problem?
a rectangle has its base on the x-axis and its two upper corners on the parabola y=12-x2 What is the largest possible area of the rectangle?
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12/13/16

Calculus optimization problem (minimizing material)
A box with a square base and an open top must have a volume of 256m^3. Find the dimensions of the box that minimize the amount of material used. 
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12/09/16

What is the formula for this rational function?
Vertical Asymptote at x=-2 Horizontal Asymptote at y=1 X-Intercepts: (-3,0) and (1,0) Y-Intercept: (0, -¾)
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12/08/16

find the dimensions of the maximum rectangular area that can be made with 900m of fence.
the city park department is planning an enclosed play area in a new park. One side of the area will be against and existing building, with no fence needed there. find the dimensions of the maximum... more
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12/03/16

Optimization
What is the minimum number of feet of fencing needed to create a rectangular garden with an area of 576ft?   I keep getting 144 as my answer but my friend says it wrong.. Please help!
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12/01/16

What box would be best to ship the most packing peanuts?
So I struggle with optimization and we were given a problem and I have no idea on how to do it and I could really use some help please.So a person wants to ship a lot of packing peanuts but they... more
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11/28/16

Cubic functions
Find a cubic function of f(x)= ax^3 -bx^2 +cx -d that has a local maximum value of 112 at 1 and a local minimum value of -1184 at 7
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11/28/16

Rewrite Expression
Rewrite the expression in terms of sines and cosines only and then simplify the resulting expression.   tanx/secx+1 +tan x/sec x-1
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