Mathematics, 03.09.2021 07:30 hello137348474747
A satellite dish is shaped like a paraboloid of revolution. The signals that emanate from a satellite strike the surface of the dish and are reflected to a single point, where the receiver is located. If the dish is 14 feet across at its opening and feet deep at its center, at what position should the receiver be placed?
Answers: 1
Mathematics, 21.06.2019 18:40
Ten times the square of a non-zero number is eqaul to ninety times the number
Answers: 1
Mathematics, 21.06.2019 18:50
Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}
Answers: 3
Mathematics, 21.06.2019 21:50
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
A satellite dish is shaped like a paraboloid of revolution. The signals that emanate from a satellit...
History, 30.06.2019 18:30
Chemistry, 30.06.2019 18:30
Mathematics, 30.06.2019 18:30
Biology, 30.06.2019 18:30
Mathematics, 30.06.2019 18:30
Mathematics, 30.06.2019 18:30
Spanish, 30.06.2019 18:30