05/03/15
sin theta + sin 3 theta = tan theta sec theta
sin theta + sin 3 theta = tan theta sec theta
Show that the right side equals the left side
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05/02/15
an original investment of $11,00 earns 6.00% intrest conpounded continuously. what will the investment be worth in 1 year???
What will the investment be worth in 1 year and 10 years??
05/02/15
equations with antilogarithms
In Algebra 2, I am given the following,
log x = 3.71
and told to solve with a calculator. I don't know how to solve this problem.
04/30/15
NEED ANSWERED ASAP Derivatives of exponential functions
a rumour spreads in such a way that t hours after the rumour starts, the percent of people involved in passing it on is given by P(t)=100(e-t- e-4t). what is the highest percentage of people...
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04/30/15
Pre Calculus question (inverse functions)
Statistical models predict that the price (in dollars) of a 500 GB hard drive will change according to the function p(t) = 600 − 2t2, where t is the month. Which expression gives the number of...
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04/29/15
There is 4 questions and 3 answers to each question what is the probability to get every question right
There is 4 questions and 3 answers to each question what is the probability to get every question right
04/28/15
sec x = 11.7/4.5 and 0<x<pi/2, find sin (x/2)
I am confused on how to do this.
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Finding distance of traveling pedal when tricycle wheels make one revolution
the front wheel of a child's tricycle has a 10-inch radius and the rear wheels have a 6-inch radius. The pedals are attached to the front wheels by arms that are 7 inches long. How far does a pedal...
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04/28/15
Evaluate : (.33)^3 + (.33)^4 + (.33)^5...
basically, how do you calculate an infinite sum of numbers that differ by the same constant but do not start at 1?
04/28/15
Combining like terms
Sinx-cot^2x=1
0<x<2pi
I'm having trouble with this problem.
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04/27/15
"Find an equation for the line. Write in standard form. Slope -1/7 and y intercept (0,2)"
I am a bit confused with this question. I thought the answer would be y=-1/7x+2 but my answer sheet says x+7y=14
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
04/26/15
Finding exponential function relating number of cases and days of month
the number of flu cases on May 1 were 3 and on may 9 were 19. If he growth is exponential find the function that relates t (day of month) to N ( number of cases). How many cases on May 21
04/26/15
Word problem
Bill rowed 30 km upstream against a 2km/h current and back again in a total of 8 hours. What is the rate in still water?
04/26/15
150 mt long train crosses a signal post in 7 sec What is the speed of the train in Kmph?
time and distance
04/25/15
vectors magnitude
I do not understand how to set up the following problem:"Forces of 20 lb and 32 lb make an angle of 52 degrees with each other. find the magnitude of the resultant force."An actually picture would...
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04/25/15
Use the binomial formula to find the coefficient of the u^4p^8 term in the expansion of (2u+p)^12
HELP PLEASE:)
04/25/15
Graph the function f(x)=v(x-1)-1 To do so, graph the leftmost point and three additional points
What is the leftmost point and three additional points?
04/24/15
helppppppppppppp
The height h, in feet, of a golf ball t seconds after it has been hit is given by the equation h = −16t2 + 62t. How many seconds after the ball is hit will the height of the ball be 42 feet? Round...
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