Math 4th Grade
Adult Tickets are $5 Child Tickets are $2 There are twice as many children as adults at the concert. The total amount collected was $1,080. How many adults are at the concert?
Personality Psychology
what is the difference between distortion and displacement?
appl,ied business research & statistics
When would you use Chebyshev’s theorem and the empirical rule in health administration? How are they calculated? Provide one real-life example that requires Chebyshev’s theorem and one that requires the empirical rule.
Math
Kamala had 5,026 grams of flour in a canister. She brought a 4,157 gram bag of flour. She poured some flour from the bag to the canister. As a result, the mass of the flour in the canister is now twice the mass of the flour left in the bag. How much flour is in the bag now?
physics
Four masses are positioned at the corners of a rectangle, as indicated in the figure below (not to scale). (a) Find the magnitude and direction of the net force acting on the 2.0 kg mass if x = 0.40 m and y = 0.12 m. (b) How do your answers to part (a) change (if at all) if al...
physics
A 3.28-kg bucket is attached to a disk-shaped pulley of radius 0.108 m and mass 0.727 kg. (a) If the bucket is allowed to fall, what is its linear acceleration? (b) What is the angular acceleration of the pulley? (c) How far does the bucket drop in 1.65 s?
Chemistry
Calculate the mass of Glauber's salt needed to lower the temp of air in a room by 6.3 C. The mass of air in the room is 555.4 kg, the specific heat is 1.2J/g-c
elements of calculus
cost, revenue, and profit are in dollars and x s the number of units cost: if the cost function for a particular good is C(x)= 3x^2 +6x + 600, what is the (a) marginal cost function (b) marginal cost if 30 units are produced? (c) interpretation of your answer in part (b)?
elements of calculus
if d^2y/dx^2= x/x^2 +1, find d^4y/dx^4
elements of calculus
find ds/dt if s= sqaureroot of t over (3t -1)
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