algebra
The sum of two numbers is 56. the larger number is 7 less than 3 times the smaller number. Find the smaller number.
Pre-Calculus
Thank You!
Pre-Calculus
Convert the equation y=5 to polar form.
engineering
a bolt located 50mm from the center of an auto wheel is tightened by the couple shown for .10 seconds. determine the resulting angular velocity of the wheel if the wheel has a radius of gyration of 250 mm and a mass of 19 kilograms
Math
Michaels car has a 18.0 gallon tank. If the tank has 5.5 gallons what fraction of the tank is full?
Precalc
Prove or disprove the following identity. cos(-x) - sin(-x) = cos(x) + sin(x)
Precalculus
rewrite the following expression as an algebraic expression in x: cos(arcsin x) I have made X to be X/1 but from there I am lost.
Precalculus
what is the arccos(2)? I have tried to use the unit circle but I do not understand this :/.
Math
5p+2q=3 7p+2q=11
ENGLISH LIT
The theme of the book "Tolstoy" the death of ivan ilyich. i read the book but i don't get the theme.
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