# chemistry! URGENT

61,442 results, page 10

1. ### Pre-Cal(Urgent!!)

Find all the solutions of the equation in the interval (0,2pip) sin(x + pi/6) - sin(x -pi/6) = 1/2 I am only stuck on the last part. I have 2sinx(sqrt3/2) = 1/2 Does the 2 cancel out with the sqrt 3/2. I am not sure what to do.
2. ### English

I have a last question.It's urgent. While I was getting ready for school, my mum made/was making breakfast for me. I think I should you the past continuous in both cases because the two actions are continuous.

86. ### Math URGENT!!!

Jason bought 10 of the 30 raffle tickets for a drawing. What is the probability that Jason will win all 3 of the prizes if once a raffle ticket wins a prize it is thrown away?
87. ### Math

You are randomly selecting one catches on a 52 card deck.find the probability of selecting: a 2 or a 3 I got 2/13 A red 2 or a black 3 I got 1/13 I want to make sure it is correct This is very urgent Thanks
88. ### Opt math URGENT

prove that : cos^3(θ)sin^2(θ)=1/16[2cos(θ)-3cos(θ)-5cos(θ)]
89. ### maths-urgent

If the sums of n terms of 2 A.P. are in ratio (3n+5)/(5n+7), then find their nth terms ratio
90. ### URGENT ALGEBRA

The formula for the circumference of a circle is C = 2(pi)r , where r is the radius of the circle. What is the formula when solved for r?
91. ### math urgent

what number has the prime factorization of 2 to the 6th power and 5 to the 6th power
92. ### Science

URGENT! How is Miami's summer solstice different from Singapore's summer solstice?

The measurement of pH using a glass electrode obeys the Nernst equation. The typical response of a pH meter at 25.00 degrees C is given by the equation: E(measured)= E(ref) +.591pH where ref contains the potential of the reference electrode and all other potentials that arise ...

A 1.0 kg mass is attached to the end of a vertical ideal spring with a force constant of 400 N/m. The mass is set in simple harmonic motion with an amplitude of 10 cm. What is the speed of the 1.0 kg mass at the equilibrium position?
95. ### Algebra 2 help its urgent please(:

Jacob is standing 112 m from a building. The angle of elevation when he looks up to the top of the building is 62°. How tall is the building? Enter your answer, rounded to the nearest tenth I'm really confused on this question
96. ### HCS 325

In the role of a health care manger, you are expected to respond to daily urgent and emergency situations as they arise by mobilizing your staff and available resources to attain specific objectives. How would you describe the function of control involved here?