1,063 Answered Questions for the topic Pre-Calculus
Pre Calculus
04/28/15
At 34 degrees north latitude, the longest day of the year has 14.273 hours of daylight, and the shortest day 9.726 hours. If the equinox falls on
march 21(day 80), model the hours of the daylight by day.
Sorry it all didn't fit and I really am stuck
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Pre Calculus
04/28/15
f(x) is a sinusoidal curve with maximum at f(0)=10 and next minimum at f(6)=0. Find the equation
I need help please
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Pre Calculus
04/16/15
Given sides of length 1768, 1600 and 232 meters, find the area
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Pre Calculus
04/16/15
A sector has central angle 2.11 rads and the ratio of its area to arclength is 3. Find the radius
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Pre Calculus
04/16/15
A sector has radius 2 and area 3 square meters. Find the central angle
Help me please
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Pre Calculus
04/16/15
Given angles 0.1141 rads and 0.1141 rads, with included side 1392 meters long. How long are the other sides
Help please
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Pre Calculus
04/16/15
Find the equation of the function through the points (1,49) and (3,2401)
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Pre Calculus
04/16/15
log(9y^2+19y+2)-log(y+2)=2
I am so bad at logs need help please
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Pre Calculus
04/15/15
A right triangle has an opposite of 6 meters and an adjacent of 8 meters. Find the angle measures
I need help please!
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Pre Calculus
04/12/15
Exact Solution
Find the EXACT solutions of the given equation in the interval [0,2π). There may be more than one.
6cos2(x) + 5cos(x) − 4 = 0
Pre Calculus
03/26/15
9^u-7*3^u+12=0
I want to see if my work is correct and the answer
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Pre Calculus
03/26/15
A right triangle has a hypotenuse of 5 meters and an opposite of 4 meters. find the angle measure.
On this one I really need help
Pre Calculus
03/26/15
A right triangle has an angle of 0.37 radians. If the adjacent is 9 meters, find the length of the hypotenuse
help me please
Pre Calculus
03/26/15
A triangle has an angle of 0.61 radians. If the opposite is 13 meters, find the length of the hypotenuse.
I tried doing it but I don't know if my answers correct
Pre Calculus
03/26/15
A right triangle has an angle of 0.75 radians . If the hypothenuse is 5 meters, find the length of the opposite side
I need help please
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Pre Calculus
03/26/15
A sector has area 10.72 square meters and arclength 5.36. Find the radius
I am so lost and need help please
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Pre Calculus
03/18/15
If a right triangle has a hypotenuse of length 17 and an adjacent side of length 15? what is the missing side? And find all 6 trigonometric functions
I did it as well but i don't know if the answer is correct
Pre Calculus
03/18/15
If a right triangle has a hypotenuse of length 25 and an opposite side of length 7? what is the missing side? And find all 6 trigonometric functions
I did it but i don't know if it's correct
Pre Calculus
03/18/15
if $8000 is invested in a 2.5% account for 10 years compounded continuously how long would it take for the account to double?
so lost
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