The equation of a parabola is y=(x-5)^2-4. Is the point (5,-6) on this parabola?
Find the value of C that will make 25x^2-40x+c a perfect trinomial.
Nine cards are numbered 1-9. what is the probability of drawing a number greater than 6 or an odd number. I know the answer is 2/3 but I don't know how you find the probability when it says "greather than 6 OR and odd number"... how do you calculate the OR?
Given a right triangle ABC, if the measure of angle B=30 degrees, the measure of angle C=90 degrees, and AB=5cm, find AC
Chemistry - Equilibrium
You have an unknown concentration of ammonia. When you add 15.0mL of a 0.400 M HCl solution to 50.0mL of the ammonia solution, the pH of the solution becomes 8.75. What is the concentration of the original ammonia solution? [Kb (NH3) = 1.8 x 10^-5]
only 5% of the carbon-14 in a small wooden bowl remains , how old is the bowl? Hint, half-life for carbon 14 us 5730 years
solve the system 2x-3y-z=-8 x-y--z=-2 -4x+3y+z=6
how would you solve: (t-2)(3t-1)(4t+3)-(2-t)(2-t)(t+5)
Can someone please explain to be the concept of - Rate of exchange is proportional to a cells surface area and ... the amount of exchange material is proportional to a cell's volume. (the topic we are learning is called "Animal form and function")
How do you say the word "love" and "kind" is many languages. (the language doesnt matter, a list would be great)