Thursday
December 12, 2013

# Posts by kelvin

Total # Posts: 62

chemistry
According to molecular view, kinetic energy, what happens when 2 tablespoons each of water, methylated spirit and petrol are put in an open container separately in relation to time and the rate of vaporisation?

Pre-Calc
Find the values of the trigonometric functions of è from the information given. (sin è, cos è, csc è, sec è, cot è) tan è = −2, sin è > 0

pre-calc
Find the area of a triangle with sides of length 5 and 8 and included angle 74°. (Round your answer to one decimal place.)

math
Which type of graph is best suited for displaying the number of hours spent studying by students in different age ranges?

Trigonometry
What representations do not change the location of the given point (7,140°)?

Trigonometry
What representations do not change the location of the given point (7,140°)?

calculus
Find .... Tan^3(xy^2+y)=x Use derivative

calculus
Tan^3(xy^2+y)=x Use derivative

Calculus
An ice cube is melting such that the side of the cube is decreasing at the rate of 1/4 t^2 cm / min. It is given that the side of the cube is 8cm at the start of the experiment. Calculate the length of the side of the cube when t = 4? ( answer 2 2/3 cm)

Algebra
Using complete sentences, explain how to graph y = x - 2 using the slope-intercept method.

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