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Q: Y y varies inversely as x x. If x x 3 then y y 4. Find y y when x x 7.?
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If y varies inversely as x and y equals 24 when x equals 8 find y when x is 4?

y is 12


If y varies inversely as the square of x and y equals 4 when x equals 5 find y when x is 2?

25


What is it when Z varies directly with x and inversely with y When x 2 and y 4 z 3 What is the value of z when x 4 and y 9?

z = 8/3.


If y varies inversely as the square of x and y equals 4 when x equals 3 find y when x is 2?

The statement "y varies inversely as the square of x" means that in function form y(x) = k/x2, where k is an (initially) unknown constant. The second condition can be written in algebraic form as 4 = k/32 ; or k = 4 X 9 = 36; Then y(2) = 36/22 = 9.


If y varies inversely as the square of x and y equals 4 when x equals 5 findy y when x is 2?

y varies inversely as x2 so y = c/x2 for some constant c. When x = 5, y = 4 So c = x2y = 100 that is y = 100/x2 Then, when x = 2, y = 100/4 = 25


The current in an electrical conductor varies inversely as the resistance of the conductor The current is 2 amperes when the resistance is 960 ohms What is the current when the resistance is?

4


X varies directly with y and inversely with z x equals 20 when y equals 8 and z equals 4 Find x when y equals 4 and z equals 8?

The answer is x=10. If: x=20 y=8 z=4 then: y=8/2=4 z=4*2=8 since x varies directly with y, meaning whatever happens to y, happens to x, so if y was divided by 2, then x should be divided by 2. After all, the inverse of division is multiplication.


Assume that y varies inversely with x and that y is 2 when x is 4 what is the equation of inverse variation?

2=8/4 the constant is 8 y-k/x i think.


When f varies jointly as a and t and inversely as the square of b what is the answer when determining f when k equals 3 a equals 4 t equals 6 and b equals 2?

I am assuming that k is the constant of proportionality so that f = k*a*t/b2 = 3*4*6/22 = 18


Complete the equation of variation where y varies inversely as x and y equals 4 when x equals 2?

xy = 8 or y = 8/x


What does the word inversely mean in math?

There are two main types of inverses. Additive inverses total zero. Any number and its negative are inverses. 3 and -3 are inverses. Multiplicative inverses total 1. 3/4 and 4/3 are inverses. 3/4 x 4/3 = 12/12 = 1 Most often, the word inversely in math means upside down.


How long should a golf club last?

3 or 4 hours, but varies.