10/02/16

Write a quadratic equation whose roots are -1 and -3 and leading coefficient is 2
It has to equal zero
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10/02/16

9 in2 : 2ft 2
9in2 : 2ft2
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10/02/16

Write a complete two-column proof for following information: please help im confused
Write a complete two-column proof for following information:   https://wca.sooschools.com/media/g_geo_ccss_2016/3/img_pointsonline1.gif   Given: Segment AB = x + 16, Segment BC = 4x + 11Segment... more
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10/02/16

Please help .
Use the definition of derivative to find the derivative of the function f(x) = (x+1)2  
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10/02/16

Arithmetic Sequence
The following problem refers to an arithmetic sequence. If the fourth term is  19 and the eleventh term is 54, find the term a1, the common difference d, and then find a23 and S23
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10/01/16

lim h->0 for ((5+h)^-1 - 5^-1)/h
lim h->0 for ((5+h)^-1 - 5^-1)/h
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10/01/16

Find the term x^5 in the expansion of (3x+A)(2x+B)^6
The question is based on the binomial theorem. I understand how it works, but I don't know how to apply it like this. 
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09/30/16

The line containing the points (1,a) and (3,b) has slope -2...
The line containing the points (1,a) and (3,b) has slope -2. Find the slope of the line containing the points (1,-a) and (3,-b).   a. -2 b. -1/2 c. 1/2 d. 2 e. not unique
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09/30/16

Limit with sin (without hopital)
limx-->2 ( sin(2x-4)/(x-2)
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09/30/16

find the inverse
find the inverse of f(x) = Square root of 3x-12:  and whait is the domain of the inverse function.
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09/30/16

A farmer wishes to enclose a pasture that is bordered on one side by a river (so one of the four sides won't require fencing).
She has decided to create a rectangular shape for the area, and will use barbed wire to create the enclosure. There are 600 feet of wire available for this project, and she will use all the wire.... more
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09/30/16

area of a shaded sector of a circle (radius14cm)(area61.1cm2),calculate the angle of the circle
I don't understand the question and how to do it
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09/30/16

Completing the square
The function f(x) = x2 - 8kx + 20k2 + 1 has a minimum value of r2 + 4k.   Using completing the square method, show that r = 2k - 1
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09/30/16

Intergration
integrate (4-x2)(3+x) / 2x5
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09/29/16

if 9<15mx-8<27, where m is a positive constant, what is the possible range of values of 8/3 -5mx?
if 9<15mx-8<27, where m is a positive constant, what is the possible range of values of 8/3 -5mx?  
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09/29/16

If the product of a number and -4 is subtracted from the number, the results is 9 more than the number.
If the product of a number and -4 is subtracted from the number, the results is 9 more than the number.
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09/29/16

five - eighth of three - tenth of four ninth of a number is 45. what is the number
 options   A) 550   B) 450   C) 560   D) 540   E) 650
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09/28/16

Quadratic Equation
A golf ball is hit, and it lands at a point on the same horizontal plane 53m away. The path of the ball took it just over a 9m tall tree that was 8m in front of the golfer.   a) Assume the ball... more
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09/28/16

solve the equation please show the check of the solution 1/(x+2) =4/(x^2-4) - 1/(x-2)
please show the check of the solution
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09/27/16

Carbon-14 half life question
Radioactive Carbon-14 has a half-life of approximately 5730 years. It collects in living plants and plant-eating organisms and will start to decay once the organism dies. Assume an animal bone is... more
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09/27/16

Create a function with the following domain: x<-4
A math problem that I need help with 
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09/27/16

express the following function f(x) as a composition of two functions f and g: f(g(x)) F(x)=x^2/(x^2 +4) Part 1: What function is g(x) Part 2: What function is
express the following function f(x) as a composition of two functions f and g: f(g(x))F(x)=x^2/(x^2 +4) Part 1: What function is g(x)Part 2: What function is f(x)PArt 3: Verify that f(g(x))=F(x)
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09/27/16

sketch y=x^2-2|x|
 sketch this graph
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09/27/16

An inverted parabola (arch) has feet 10 metres apart and its highest point is 10 metres. Find the equation of the parabola.
 the arch is a parabolic arch in a shape of an inverted parabola
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09/26/16

How do you solve
-2x + y + 4z = 5 X + 3y - z = 2 4x + y -6 z =11
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