German Silver is an alloy composed of nickel, zinc, and copper in a 3:4:13 ratio. How many kilograms of each metal are needed to make 4 kg of this alloy?

Write a recursive sequence that represents the sequence defined by the following explicit formula:

For what value of x does 4x = (1/8) x + 5?

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?