Chemistry
I have a diagram that I have to identify for homework. The structure shows an "R" connected with single bond to carbon(in the middle)-which in turn is connected to OH with single bond.-The carbon in the middle has a double bond with Oxygen on the top. The possible an...
math
why is it possible to draw a circle which passes through all vertices of a rectangle
Physics
In a hydraulic lift, if the radius of the smaller piston is 2 cm and the radius of the larger piston is 20 cm, what weight can the larger piston support when a force of 250 N is applied to the smaller piston? d = diameter of smaller piston D = diameter of larger piston I just ...
math
where there's smoke, there's
math
Jesus, you guys are bad. 210 - 30 (consultation fee) = 180 180 / $45 (hourly rate) = 4, 4 = number of hours worked.
Math 156
x1 + x2 = 77 x2 - x1 = 27 x2 = 27 + x1 x1 + (27 + x1) = 77 2 x1 = 50 x1 = 25 x2 = 52
Calculus: limits
Factor (25-t) into (5-sqrt(t)) and (5+sqrt(t)) Cancel top and bottom (5-sqrt(t) and left with lim t->25 of (5+sqrt(t)) which is 10.
Algebra
As you can see this is not factorable in your head or obvious so we have to use the Quadratic Formula: for Ax^2 + Bx + C = 0 x = ( -B / 2 A ) + or - ( sqrt (B ^ 2 - 4 x A x C) ) / 2 A So A = 1, B = 8, C = -2 -8/ 2 + or - sqrt( 64- (4 x 1 x -2)) / 2 -4 + or - Sqrt( 72 ) / 2 -4 ...
Physics
Question: Two masses 2.2 Kg and 3.2 Kg connected by a rope over a massless and frictionless pulley hang at 1.8 m above the ground on either side of the pulley. The pulley is 4.8 m above the ground. What is the maximum height that the 2.2 Kg weight will rise to after the system...
albgrea
jill is 6x, Amy is 1x 7x = $84 x= 12, Jill $72, Amy $12. ------------------ x = amount in Dues 14 x + 370 - 600 = -10 14 x = 220 x = $15.71 It doesn't work out exact due to rounding of the penny. The club would have overdrawn by 10.06 in the account.
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