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can u solve some trignometry question for me
a ladder leans against a vertical wall.if the foot of the ladders is 10m away from the wall and the height of the wall is 12m. calculate i) a vertical angle made by the ladder. ii) the length of the ladder.
which is kept uniform, is pumped out at the rate of 2 gal/min. What is the concentration of salt in the container at the instant of overflow?
From a group of three finalists for a privately endowed scholarship, two individuals are to be selected for the first and second places. Determine the number of possible selections.
Suppose the scores of 500 college freshmen taking Physics 101 are normally distributed. The mean score is 60 out of 100, and the standard deviation is 10. Find the values defined by the standard deviation that is 3 standard deviations away from th..
A jewelry supplier has a supply of earrings which are 40% platinum. A store owner orders five sets of earrings from the supplier. If the supplier selects the pairs of earrings at random, what is the chance that the jewelry store gets exactly two s..
Elena's daugther sold 84 boxes of girl scout cookies. She was told that this amount was 5% of the troops sales. How many boxes did the troop sell?
What is the sum of the preceding probabilities, and why is it less than 1.0?
A box has a square bottom, and interior volume of 2.00 m3, and an interior height of 0.500 m. What is the greatest length stick (diameter is negligible) that can fit inside the box?
Let N be a positive integer. Let d be an integer relatively prime to phi(N) (phi denotes the euler totient function). Prove that there exists a d' in Z (=integers) with dd'=1 mod phi(N).
Let X be a path-connected space and suppose that every map f: S^1 --> X is homotopically trivial but not necessarily by a homotopy leaving the base point x_0 fixed. Show that pi_1(X,x_0) = 0.
find the center and the radius of the circle with equation (4x^2+40x)+(4y^2-8y)=-20
Find the critical points of the following functions and determine whether they are local maximums, minimums or otherwise using the second derivative test.
A paper bag contains a mixture of three types of candy. There are ten gum balls, seven candy bars, and three packages of toffee. Suppose a game is played in which a candy is randomly taken from the bag
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