Geometryy
given that sec theta = radical13/whole number 3, and csctheta<0 find sin theta using the 2different methods; 1)using the "x-y-r" definition 2) using identities only
Geometry
Use the special triangles to find the exact values of the following: 1) csc45degrees 2)sec30degrees 3)longest side of a 30-60-90 triangle if the side opposite the 60degree angle is 5radical3
Calculus AB
Let R be the region bounded by the graphs of y=sin(pi x) and y=(x^3)-4x, as shown in the figure above. (a) Find the area of R. (b) The horizontal line y=-2, x=2, x=-1. Write, but do not evaluate, an integral expression for the area.
Chemistry
What is the balanced equation of HClO4(aq)+Sr(OH)2(aq)
algebra
12x-6=9x
math/ measurment
What is the measure of the point angle for a star-shaped polygon with 8 points and a dent angle of 130 degrees? Is there a formula to figure this?
math/probability
I was on that line of thinking as well but there are four possible answers and that doesn't match any of them. The four possible answers are: A) 0.00000003 ; B) 0.1000 ; C) 0.00000025 ; and D) 0.00000028 I really want to understand how to work these problems but I am so lost.
math/probability
For some reason I can not get my head around probability. Please show me how to work the problem not just the answers. A class has 11 students who are to be assigned seating by lot. What is the probability that the students will be arranged in order from shortest to tallest? (...
Math / Probability
In a certian lottery, 4 differnt numbers between 1 and 11 inclusive are drawn. These are the winning numbers. A player selects 4 different numbers between 1 and 11. What is the probability that the player has all winning numbers?
math
find the volume of a tent having the shape of a rectangular solid of length 13 ft, width 12 ft, and heihght 8 ft topped by a rectangular pyramid of the same width and length with height 5 ft
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