Mathematics, 06.07.2019 06:30 Rusven
Two numbers are n and 2(n+3). a. the sum of the numbers is 90. write down an equation for this. b. solve the equation. c. find the two numbers.
Answers: 1
Mathematics, 21.06.2019 15:50
Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20
Answers: 2
Mathematics, 21.06.2019 18:30
Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?
Answers: 3
Two numbers are n and 2(n+3). a. the sum of the numbers is 90. write down an equation for this. b...
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