Math
Okay I think I get it.. you just used the compliment to add up to 100? We are given 20%... did you say 100-20=80 and then turned 80 into a decimal ?
Math
Judy bought a coat at a 20% discount sale for $68. What was the original price of the coat?
Physics
A 8.5 dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. He walks along the length of the canoe at 0.47 , relative to the water, and the canoe simultaneously moves in the opposite direction at 0.17 .What is the mass o...
Physics
A 1.2 -long steel rod with a diameter of 0.50 hangs vertically from the ceiling. An auto engine weighing 4.7 is hung from the rod. By how much does the rod stretch?
statistic
The time necessary to assemble a discount store display is normally distributed with μ = 5 minutes and σ = 30 seconds. A large number of potential employees are timed assembling a practice display. How much time (in minutes) should the personnel manager allow the pot...
statistic
Suppose a random sample of 25 students is selected from a community college where the scores in the final exam (out of 125 points) are normally distributed, with mean equal to 112 and standard deviation equal to 12. Find the probability that the sample mean deviates from the p...
calculus
f(x)=1-3x g(x)=5x^2+3x+2 find f(g) g(f) and f(f) and their domains.
MATHS!!!!!!!!!!!!!!!!!!
20 sec to fill ten-litre bucket with water 60 / 20 = 3 3 x 10 = 30 litres per hour ?
algebra
given the function k described by k(x)=x+20 find each of the following k(0)= k(-12)= k(-9)= k(15)= k(y+1)=
algebra
f(x)=x+19
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