Answers: 1
Mathematics, 21.06.2019 17:50
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
Answers: 2
Mathematics, 21.06.2019 21:00
Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1β0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.
Answers: 1
Mathematics, 21.06.2019 23:40
From the top of a tree a bird looks down on a field mouse at an angle of depression of 50Β°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.
Answers: 1
Ais the midpoint of xy. find xa. find ay and xy....
Spanish, 21.06.2019 13:40
English, 21.06.2019 13:40
Mathematics, 21.06.2019 13:40