subject
Mathematics, 07.04.2020 06:26 scottytohotty

Patti is using mental math to evaluate the expression . She recognizes that the expression will be easier to simplify if she can combine 70 and 30 before she works with the other numbers. How do the properties of operations allow Patti to take that approach?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
Using the given statements, state whether the conditional statement is true or false. p: 2 + 2 = 4 q: 7 + 1 = 7 is p q true or false?
Answers: 1
question
Mathematics, 21.06.2019 16:30
Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241. a) 0 b) 1 c) 2 d) 1 2
Answers: 1
question
Mathematics, 21.06.2019 19:30
Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit
Answers: 2
question
Mathematics, 21.06.2019 22:30
An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute
Answers: 2
You know the right answer?
Patti is using mental math to evaluate the expression . She recognizes that the expression will be e...
Questions
question
Mathematics, 26.03.2021 05:10
question
Mathematics, 26.03.2021 05:10
question
Mathematics, 26.03.2021 05:10
Questions on the website: 13722363