math
what is the simple interest of $1500.00 for 4 months at 63/4% annual interest?
math
4(2x + 3x)=30, solve for x
math
a parking lot charges 1.50 for the first hour of parking and 55 cents for each additional half hour. How much would it cost to park a car from 12:45 pm to 6:15 pm
math
If a contractor pays an average wage of $20.00 per hour and wants to make a 15% mark-up on the cost of labour, what will the contractor charge as an average labour cost on contracts?
math
A rectangular school yard 280 m by 245 m is to be fenced. How many metres of fencing will be required to fence it completely?
Physics calculus based
Consider the Sun to be at the origin of an xy-coordinate system. A telescope spots an asteroid in the xy-plane at a position given by (x, y) with a velocity given by (vx, vy). [DATA: (x, y) = (3.3, 5.2) ×10^11 m; (vx, vy) = (-6.1, -4.0) ×10^3 m/s.] (A) What will th...
Physics HELP
An ultrasound transducer used to measure the speed of blood cells is oriented at an angle of 45 degrees to the direction of the blood flow. if the frequency of the sound emitted by the transducer is 1.5 Mhz and the doppler shift is 268Hz, calculate the speed of blood cells. Ta...
Math (Probability)
Hassan has a bag which contains 20 coloured discs. He randomly chose three discs from the bag and found that two were red and one was white. a) Based on this sample, how many of each coloured disc are in the bag? b) Hassan returned the three discs to the bag and then randomly ...
Physics
A tungsten target is struck by electrons that have been accelerated from rest through a 38.9-kV potential difference. Find the shortest wavelength of the radiation emitted.
business
Most are wrong.
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