2,195 Answered Questions for the topic Pre Calculus
Find the sum of the geometric series 4+2+1+...+1/16.
I really need help with this problem
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Pre Calculus
05/24/15
graphing absolute values
graph the following
a) y=|3x-4|
b) y=|-2/3x-2|
c) y=|-2(x-1)^2+5|
d) y=|2(x-3)(x+1)|
05/24/15
check my absolute value answers asap please
| = absolute value
1. question = |3x-5| = 7 My answer = x= 2/3
2. question = -2|4x-1|+7 = -3 My answer = ...
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Pre Calculus
05/21/15
absolute values
simplify
a)3|-4-2|-5|1-6| b)||-3(-2+6)|-2|-2-1|
Graph the following
a) y=|3x-4| b) y=|-2/3x-2|
c) y=|-2(x-1)^2 +5 ...
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Pre Calculus
05/14/15
Find the center, vertices, and foci of the ellipse with equation 4x2 + 9y2 = 36.
Find the center, vertices, and foci of the ellipse with equation 4x2 + 9y2 = 36. Center: (0, 0); Vertices: (-3, 0), (3, 0); Foci: Ordered pair negative square root 5 comma 0 and ordered pair square...
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Pre Calculus High School: Math
05/14/15
Find the fifth roots of 243(cos 260° + i sin 260°).
Find the fifth roots of 243(cos 260° + i sin 260°).
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05/14/15
Find the standard form of the equation of the parabola with a focus at (0, 6) and a directrix at y = -6
Find the standard form of the equation of the parabola with a focus at (0, 6) and a directrix at y = -6. y equals 1 divided by 24 x squared y2 = 6x y2 = 24x y equals 1 divided by 6 x squared
Pre Calculus Math Help
05/10/15
need help on 2 questions to that Im stuck on I have answers but am unsure if they are correct or not. Answer asap
(5+√3) (2-√6)
And...
7√7 - 6√12 - (4√28 + 4√3)
Pre Calculus Math Help
05/09/15
help solve these questions for me , I have an answer but not sure if it's right
1.
(5+√3)(2-√6)
2.
7√7-6√12-(4√28+4√3)
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05/09/15
Simplify the following please
1. [√48÷√1080] [√900÷√24]
2.√384÷√288
3. √2÷5√2
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Simplify the following please
simplify . No decimals
1. √32 (√50 +√54 -√18)
2.(√6)(√48)
3. (√2÷54)〈√45〉
4. √384 ÷√288
Pre Calculus
05/04/15
Pre calculus 20 question
A laser printer prints 24 more sheets per minute than an ink jet printer. If it takes the two printers a total of 14 minutes to print 490 pages, what is the printing rate of the ink jet printer?
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04/27/15
Precalculus help! ASAP quadratic equations
solve the following:a) 3(2z+3)2-9(2z+3)-30 = 0b)0.49k2-36m2= 0
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04/27/15
Determine the roots answer asap please
determine the roots of the quadratic equation.(complete the square) express your answer in exact values.5x2+20x-1=0
Pre Calculus
04/24/15
In triangle ABC Angle A=90degrees, angle b=25 degrees and sideA=18. Find the length of side c
Answer choices are 7.5,16.3, and 8.2
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Pre Calculus
04/24/15
Conversions
A hummingbird needs 10 grams of sugar and 8 grams of protein each day. One honeysuckle flower provides 20 mg of sugar and 10 mg of protein. One nasturtium flower provides 10 mg of sugar and 10 mg...
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Pre Calculus
04/20/15
How to prove the identity
COT^2x+COS^2x+SIN^2x=CSC^2x
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Pre Calculus
04/19/15
plot the following points: A(-8,12) B(8,-8) C(-8,-8) D(18,4). Find each distance
1.What is area of triangle ACB?
2. What is perimeter quadrilateral ACBD..show work
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Pre Calculus
04/17/15
Word Problem
An investor has $40,000 to invest in three types of bonds: short-term, intermediate-term, and long-term. How much should she invest in each type to satisfy the given conditions?
Short-term...
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Pre Calculus
04/12/15
Find the value of K. Use the model to find the popultaions of the city in 2010. According to the model, during what year will the population reach 530,000?
Pre Calculus problem.
The populations P(in thousands) of a certain city from 2000 through 2007 can be modeled by P= 347.8e^kt, where t represents the year, with t= 0 corresponding to 2000. In...
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Pre Calculus
04/10/15
Find the angles between their courses.
Pre-calculus
A cruise ship and a freight train leave port at the same time and travel straight line courses at 30km/hr, respectively.Two hours later they are 50 km apart. Find the angles...
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Pre Calculus
04/09/15
The monthly average precipitation location caries sinusoidally from maximum of 8 inches in January to a minimum of 2 inches in July.
Find the cosine function for precipitation in terms of time t. Include a sketch of the graph.
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Pre Calculus
03/23/15
what is the point slope form of: passing through (9,-4) and perpenicular to the line whose equation is x-9y-7=0?
what is the point slope form and general form
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I'm having trouble on this problem, I've been trying to solve it for a while now... Can you explain how to solve it?
Suppose a nurse records the temperature of healthy men and women. The table represents the mean and standard deviations of the data.
Women. | Men.
Fahrenheit 98.4±0.7...
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