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Question #261e4

A cilinder has a radius of 5 cm and on top of the cilinder there is a funnel of 25 cm radius. Every hour, 2 liters of water comes in the cilinder. How do you know how high the water is standing in the cilinder in 5 hours ?

If Y varies inversely as the cube root of x. If y = 4 when x = 27, how do you find y when x = 8?

Question #961ab

Find the coefficient of #xy^8# in the expansion of #(xy^2)^5#?

How do you find the product #(q+r)^2(qr)#?

How do you add all the odd numbers between 199 inclusive?

Question #2a294

What is the weighted average of the masses of all the naturally occurring isotopes of an element called?

What is the shorthand electron configuration for As?

What are inactive gases?

George weeded 2/5 of the garden and Tiffany weeded some, too when they were finished, 4/15 of the garden still needed to be weeded. What fraction of the garden did Tiffany weed?

If y varies directly as x, and y=9 when x=4, how do you find y when x=16?

A force of 20 N accelerates a 2 kg object. How much force is needed to give the same acceleration to a 20 kg object?

How do you solve #6n=4n+3#?

How do you factor completely #2x^3+2x^212x#?

What are the 3 states of matter and how are their particles arranged?

How do you solve #3tanxsqrt3=0# and find all solutions in the interval #[0,2pi)#?

A plane takes off at an angle of elevation of 15 degrees and travels in a straight line for 3,000 meters. What is the height of the plane above the ground at this instant?

How do you solve #x+3y=6# and #x=73y#?