10/27/15

find a polynomial P(x) with real coefficients having a degree 4, leading coefficient 3, and zeros 4-i and 4i
Find a polynomial P(x) with real coefficients having a degree 4, leading coefficient 3, and zeros 4-i and 4i
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10/27/15

Where to place the symbols
We have 4 sevens and the equals needs to be two. We can do the one and three but we're stumped. Embarrassingly it's our 8 year old's homework!    7 7 7 7=2
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10/26/15

The distance between 100 and me is 57 what numbers can I be
DONT understand the question about what numbers it could be
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10/26/15

i need to solve this using related rates.
A boat is pulled in to a dock by a rope with one end attached to the front of the boat and the other end passing through a ring attached to the dock at a point 6 ft higher than the front of the... more
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10/26/15

Travel distance
Tom Quig traveled 300 miles east of St. Louis. For most of the trip he averaged 60 mph, but for one period of time he was slowed to 20 mph due to a major accident. If the total time of the travel... more
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10/26/15

how do you factor x^3-2x^2+x=-5(x-1)^2?
How do you factor the following step by step?   x3-2x2+x=-5(x-1)2
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10/26/15

find the domain of F(x)= 4x-6/ the square root of 8-x
Domain fucntions
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10/26/15

How to find a percent
Please help! 2 people working together paint the outside of a house in 6 hours. Working alone but at the same rate the first person can paint the outside of a house in 14 hours. What percent of the... more
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10/25/15

find the half-life of a radioactive substance that decays by 5% in 7 years.
I don't know what exact formula to use. i know 5% is .05 and 7 years is the Time. I'm not sure how to find the half time in years with the given. 
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10/24/15

Express cos4x as a trig function of x
Using only the double angle identities how to solve for this? im stucked after 2cos^2 (2x) -1
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10/23/15

There are 2 tangent lines to the parabola y = x^2 that pass through the point (0, -4). Find the coordinates of the points where these tangent lines intersect..
There are two tangent lines to the parabola y = x2 that pass through the point (0, -4). Find the coordinates of the points where these tangent lines intersect the parabola.   I know the equations... more
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10/23/15

Subject of formula
Hey guys,    I am confused with this question, I need help.   Make (a) the subject of the formula   1) p(a+b)=q(a-b)     Is the answer: A=-pb-pb/p-q
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10/22/15

Evaluate lim (x --> 1) (x^1000 - 1) / (x - 1)
Evaluate lim (x --> 1) (x1000 - 1) / (x - 1)   I tried using the conjugate but that didn't do anything for me     #77 on p183 ANSWER:   1,000
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10/22/15

4th grade math
This is my daughters 4th grade math home work. My brain is long past this can you help? Mrs. Garcia watches 16 students cycle home after school. She counts 38 wheels. Some of the students are on... more
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10/22/15

Toy marked up from $40 to $50. What is the percent markup?
50/1 = 55/x
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10/21/15

Calculus Homework- Function & Absolute Max and Min
Consider the function f(x)=2x2−2x+6, 0≤x≤6. The absolute maximum of f(x) (on the given interval) is _________ and the absolute minimum of f(x) (on the given interval) is __________.
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10/21/15

Calculus Homework- Dimensions of a rectangle with the greatest possible area.
A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y=10−x^2. What are the dimensions of such a rectangle with the greatest possible area?Width: ___Height:... more
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10/21/15

Given f(x)= -x^4 + 3x^2 + 2x. Is x^2 + 2x + 1 a factor of f(x)? Find all Roots of f(x).
Sketch a complete graph of f(x). Label all roots, x-intercepts and y-intercept clearly.
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10/20/15

If f (x) = 3x-5 find f (x) -f (a) / x-a
What is the domain , range and function notation 
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10/20/15

rationalize the denominator
Rationalize the denominator. 8/5-(squareroot)6= ___. Simplify your answer.     help is appreciated, thank you!      
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10/20/15

Find the given term of each arithmetic sequence
-2,-5,-8,-11,...; 41st term
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10/20/15

9a2 - 6ab + 12ac-8bc
9a2 - 6ab + 12ac - 8bc
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10/20/15

How would i form a chart for this question
Maureen drove 50 miles per hour to her sister's house. The two of them drove from there to their mom's house. Maureen's sister, leann, drives a tad faster than maureen ( at about 60 miles per... more
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10/20/15

URGENT ONE SIDED LIMITS
find the one sided limit at the point x=0 for function f(x)=(|x|-x)/x x≠0
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10/19/15

Find domain of commposite function f(g(x))
f(x)=1/x+3 and g(x)=- 2/x
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