explain the priniciples of light thaat enable the convex lens to function as it does
A rectangular picture is 2 inches longer than it is wide. When a frame 3 inches wide is placed around the picture, the area covered by the picture and frame is 168 square inches greater than the area covered by the picture alone. What are the dimensions of the picture?
A rectangular swimming pool is 5 feet longer than it is wide. If a concrete walk 2 feet wide is placed around the pool, the area covered by the pool and the walk is 156 square feet greater than the area covered by the pool alone. What are the dimensions of the pool
Estimation and Computation
The ratio of boys to girls in a class is 2:3. If a student is chosen at random to be on the student council, what is the probability it will be a girl?
On your last credit card statement, you had a previous balance of $567.18, payments of $120, a periodic rate of 1.56 percent, and new charges totaling $45.17. What is your new balance?
why must people be careful with non rewable resources
A 40 lb football player runs at 12 mph into a 60 lb player(initially at rest). How fast do the two move after the collision?
A 100 kg car traveling at 40 m/s bounces off a stationary 300 kg car-recoiling at 20 m/s after the collision. What is the change in momentum during the collision (in kgm/s)?
Which two sqare roots are used to estimate 47 ? (1 point)
Stat Help Please
Yearly stock returns on India's Sensex Index are well described by a Normal model with a mean of 18.36% and a standard deviation of 14.65%. give the stock return cutoff for the middle 30% of all years. I used TI-83 Calc. for these. Can someone check them? Thank you! Q1=Inv...