# Posts by hasan

Total # Posts: 20

math
in a town there are 1600 phones out of which 3/4 are dial phones 1/3 of those dial phones are replaced by touch-tone phones and 300 additional touch tone phones are installed. the fraction representing the touch tone phones in town is: (a) 7/19 (b) 11/19

Science
It makes sense to me that it is a weak acid. Here is why- 1. weak acid can react with strong base (neutralization), which maked it soluble in 6% NaOH. 2. weak base, i.e. 6% Na2CO3 has a mild reaction with weak acid, which maked it appear like insoluble. 3. weak acid does not ...

science
why did scientists think that proteins were the genetic material and not nucleic acids?

Linear Algebra
a) 2ax+2px+b+q b) k(2ax+b) c) 6x-2 d) 3x^2-2x+6

Physics
Lily throws a ball at an angle of 53.13 degrees above the horizontal from a building that is 10m high. The ball has a speed of 12m/s, .6 seconds after she throws it. What was the initial speed of the ball? This is a vector problem and uses variables such as vx, vy, vyi, delta ...

Math
write in expression that represents four less than half a number, n

vocab
the new employee had aplomb,he required

Physics
84km/h south

physics
I go to anderson :|

calculus
prove d/dx (csc x) = −csc x cot x

physics
Starting at = 0 , a horizontal net force 0.265 (-0.445 is applied to a box that has an initial momentum -2.95 3.85 . What is the momentum of the box at = 2.15 ?

physics
What is the net flux through the surface when charge is at the centre?

math
Erica was searching for her sunglasses.she walked 2 blocks north,3 blocks south,4 blocks east, and 3 blocks west.How many blocks did she walk?How far is Erica from where she began her search?

strayer
Assignment #1: Calcor Company

physics
a suicase measrues 1.0m x 0.5m x 0.2m it has a mass of 10kg, what is its weight in newtons?

Ps 131 queens
Math 10 +

chem
a sample of gas is compressed from 3.25 l to 1.20 l at constant temperature. if the pressure of this gas in the 3.25 l volume is 100.00 kpa, what will the pressure be at 1.20 l ?