Mathematics, 09.06.2021 17:20 dianasmygova
Jonah's favourite number is a positive integer. One day, he decided to write down all of thepositive integers starting at 1 and ending with his favourite number. He noticed, in doing so, that he wrote the digit 7 exactly 30 times. What is Jonah's favourite number?
Answers: 2
Mathematics, 21.06.2019 14:30
The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.
Answers: 1
Mathematics, 21.06.2019 19:00
Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4
Answers: 2
Mathematics, 22.06.2019 00:00
Asequence is a function whose is the set of natural numbers
Answers: 1
Jonah's favourite number is a positive integer. One day, he decided to write down all of thepositive...
Mathematics, 22.08.2020 03:01
Mathematics, 22.08.2020 03:01
Social Studies, 22.08.2020 03:01
Chemistry, 22.08.2020 03:01
Computers and Technology, 22.08.2020 03:01