Math
Determine the coefficient of the 3rd term in the expansion of (x+2y)^7. I tried using the formula,nCk (a^(n-k)) ((b)^k), but it doesn't indicate what n is.
Math
It's move 2 units upwards.
Math
Simplify: 9log(base27)x - 4log(base9)x using no calculators. Thanks in advance.
Math
Thanks!
Math
For what values of x(x≠0) will the following infinite geometric series have a finate sum? x+3x²+9x³+... 3x²/x what are the next steps? Thanks in advance.
math
The point (5,-6) is on the terminal arm of the standard position angleӨ. Determine the smallest positive measure of Ө in radians. It's in the fourth quadrant so tan is negative? tan(-6/5) how can that be positive? Thanks in advance.
math
If the point (6, -12) is on the graph of y=f(x), which point must be on the graph of y=f((-1/3x)+6)? so far, I have y=f(-1/3(x-18))
math
How many 4-digit whole numbers are there? For example, 1220 is acceptable but 0678 is not. How do you do permutation and repetition?
french
He rarely brushes his hair: Il se brosse les cheveux rarement I remember the rule that adverbs go after the verb, but I think it looks weird: Il se brosse rarement les cheveux. Do you shave everyday?: Est-ce que tu te rases tous les jours? is the inversion: te rases-tu tous le...
math
Whoops, a typo. I finally got one of these questions right :) Thank you!
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