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Xiao's teacher asked him to rewrite the sum of 60 + 90 as the product of the GCF of the two numbers and a sum. Xiao wrote 3(20 + 30). what mistake did Xiao make? How should he have written the sum?
answered
Apr 26, 2019
Mathematics
middle-school
0
votes
132k
views
What was the major waterway of the central part of North America
answered
Mar 5, 2019
History
middle-school
4
votes
1.4k
views
Vanadium exhibits a variety of oxidation states. what is the oxidation state of vanadium in vpo3?
answered
Jan 29, 2019
Chemistry
college
5
votes
198k
views
How do consumers exercise their power in the american economy?
answered
Dec 21, 2018
History
high-school
5
votes
201k
views
What is the first step in dna replication?
answered
Apr 9, 2018
Biology
high-school
3
votes
98.7k
views
80, 40, 60, 60, 100, 50, 100, 120, 60, 80 What is the interquartile range of this data set?
answered
Mar 11, 2018
Mathematics
middle-school
3
votes
149k
views
Approximate the swuare root of 250 to the nearest 10th
answered
Aug 14, 2017
Mathematics
high-school
1
vote
81.0k
views
three roommates agreed to split the cost of food and rent evenly. last month they spent a total of 349.66 for rent. find the amount of the 3 roommates paid
answered
May 1, 2017
Mathematics
middle-school
5
votes
133k
views
Suppose y varies directly with x. If x is -7 when y is 3, what is x when y is -5?
answered
Mar 11, 2017
Mathematics
high-school
6
votes
15.1k
views
Tia’s car needs repairs. Honest Harry will charge $70 per hour plus $130 for the part. Lucky Lou will charge $80 per hour plus $40 for the part. How long is the job if the two costs are the same?
answered
Feb 10, 2017
Mathematics
high-school
4
votes
60.0k
views
Eddie is 3 times older than Fred. There are 32 years difference between their ages. How old is Eddie?
answered
Jan 11, 2016
Mathematics
high-school
3
votes
83.4k
views
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