maths
hy,
i've studied limit and continuity more than 10 times but my concept is still not very clear , can any one help?
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Differential Calculus
Discussion on: Area for grazing by the goat tied to a silo
Following is a discussion on the Reviewer item titled: Area for grazing by the goat tied to a silo. Feel free to add your own comments!
patulong naman about sa maxima and minima
point A and B are opposite to each other on the shores of a straight river 5km wide. point F is on the same shore as B but K kilometers down the river from B. Atelephone company wishes to lay a cable from A to f where the cost per km of the cable on land is 10,000 US dollar and under the water is 12,500 US dollar. Let P be a point on the same shoreas B annd Fso that the cable runs from A to P to F.(a)if X kilometer is the distance from B to P obtain an equation defining (x) if C(x) dollars is the total cost of laying cable and state the domain of C.
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Time rates: hot air balloon rising straight up
a hot air balloon rising straight up from a level field is track by a range finder 500ft from the point of lift off. At the moment the lift finder's elevation is 45 degrees, the angle is increasing at the rate of 0.14 rad/min. How fast is the balloon rising/
Rate problem
A man in a wharf 6m above the water pulls in a rope to which a boat is tied at the rate of 1.2 m/s. at what rate is the boat approaching the wharf when there is 7.5 m of the rope out ?
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Help :(( Exponential Decay
a radio active element follows the law of exponential change and has a half-life of 38 hours. how long will it take for 90% of the radioactivity of the element to be dissipated ?
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differentiation of transcendental functions
Evaluate the limits
1. lim sin3x/sin2x
X-0
2. lim 1-cosx/4x^2
X-0
Pls answer.
thank u
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Discussion on: Application of Maxima and Minima
Following is a discussion on the Reviewer item titled: Application of Maxima and Minima. Feel free to add your own comments!
Differential Eqn. Elimination of arbitrary constant and finding the general solution
hello guys, please help me with my assignment. thank you so much.
1. eliminate the arbituary constant on this eqn. y=C1e^2x+C2e^x+C3
2. evaluate and find the general solution of this eqn.
a. x sqrt1+y^2 dx - y sqrt1+x^2 dy=0
b. 2ycosxdx+3sinxdy = 0
thank you so much. god bless! ^_^
Differential Eqn. of family of circles of fixed radius and tangent to the y-axis
find the differential equation of a family of circles with fixed radius and tangent to the y-axis
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is it not…