History, 11.09.2019 02:30 dad46

2
the distance between - 4 and 5 on the
7.
the number system
marissa simplified the expression shown
below as follows.
10 – 25 - 6+(-2)
-15 - 6 +(-2) step 1
--9+(-2) step 2
-11
step 3
which of the following best describes
marissa's mistake?
a. in step 1, she should have replaced
10 - 25 with 15, not -15.
b. in step 1, she should have replaced
10 – 25 with –35, not -15.
c. in step 2, she should have replaced
-15 – 6 with +21, not -9.
d. in step 3, she should have replaced
-9 + (-2) with-7, not -11.

Answers: 3

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2
the distance between - 4 and 5 on the
7.
the number system
marissa simplif...