Wednesday
December 4, 2013

# Posts by Alexandria

Total # Posts: 48

Math
Members at a yoga school pay \$8 per class plus a one-time \$90 membership fee. Non-members pay \$12 per class. How many classes would a member have to take to save money compared to taking classes as a non-member?

geometry
If segment AB is a diameter, AB =10, and measure angle ABC =45, how far is segment BC from the center of circle O?

Chemistry
2. what solution can you add to each of the following cation mixtures to precipitate one cation while keeping the other cation in sloution? write complete and net ionic equations for thr precipitation reactons that occur. a) sr+2 (aq) anf Hg+2 (aq) b) ca+2 (aq) and NH4+ (aq) c...

physics
An archer shoots an arrow toward a 300 g target that is sliding in her direction at a speed of 2.15 m/s on a smooth, slippery surface. The 22.5 g arrow is shot with a speed of 38.0 m/s and passes through the target, which is stopped by the impact. What is the speed of the arro...

physics
A 68.0 kg person throws a 0.0450 kg snowball forward with a ground speed of 27.0 m/s. A second person, with a mass of 58.0 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.50 m/s, and the second person is initi...

physics
A sledge loaded with bricks has a total mass of 18.9 kg and is pulled at constant speed by a rope inclined at 19.3° above the horizontal. The sledge moves a distance of 19.8 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0....

10th grade
Consider the following chemical equation: NaOH (aq) + HCl (aq) ® NaCl (s) + H2O (l), the reactant NaOH?

chem 106
I cannot find how the wood's metal is incorporated into the automatic sprinkler system?

chem 106
What is the chemistry of a fusible alloy, and how is one incorporated into an automatic sprinkler system?

math
Neglecting wind resistance,the height,h,in feet, of a sky diver,t,seconds after she junps from an airplane 1,648 above the ground is given by the formula h=-16ft square +1648. If a parachute opens 4.5 seconds after a sky diver leaves the airplane,about how far will she be from...

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