subject
Mathematics, 18.02.2020 05:30 lizzyhearts

For the particial sums above billy said 20 plus 90 is 110 plus 200 equals 310. Is billy correct ? Use models properties or equationd to represent and explain your thinking

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 18:30
In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.
Answers: 2
question
Mathematics, 21.06.2019 18:50
7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?
Answers: 3
question
Mathematics, 21.06.2019 22:40
Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.
Answers: 3
question
Mathematics, 22.06.2019 00:00
Asequence has a common ratio of and f(5) = 81. which explicit formula represents the sequence? f(x) = 24 f(x) = 16 f(x) = 24 f(x) = 16
Answers: 1
You know the right answer?
For the particial sums above billy said 20 plus 90 is 110 plus 200 equals 310. Is billy correct ? Us...
Questions
question
Chemistry, 30.08.2019 16:30
question
Social Studies, 30.08.2019 16:30
Questions on the website: 13722367