Mathematics, 23.10.2020 21:50 Zeniko
Which shows the best use of the associative and commutative properties to
make simplifying 3-5+9 - + 2 easier?
O
A. [2+ 3/4 +(-5)] + [(–2/4) +9]
B. [3/4+ (-2/4)] + [9+2+(-5)]
C. (3/4+9+(-5)] + [2+(-2/4)]
D. [ 3/4+ (-5)] + [9+(-2/4) + 2]
Answers: 1
Mathematics, 20.06.2019 18:04, brendanhein1
Tina practice piano for 15 hours last month and 45 hours this month use multiplication to write a statement comparing me i was tina practice during the two months use addition to write a statement comparing the hours tina practice during the two months
Answers: 1
Mathematics, 21.06.2019 14:30, theworld58
Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?
Answers: 1
Mathematics, 21.06.2019 15:00, LtPeridot
The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?
Answers: 3
Which shows the best use of the associative and commutative properties to
make simplifying 3-5+9 -...
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