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Answers by Jerie

Answers by Jerie
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Two spheres of the same density have a ratio of 4 to 9 in surface area. If the small sphere weighs 10 kg, what does the large sphere weigh?
answered Oct 27, 2018
4 votes
40.7k views
Rae is training for cheerleading, so she starts rollerblading for 45 minutes each day. Her heart rate reaches 128 beats per minute, but her target heart rate zone is 140—178 beats per minute. Which of
answered Jul 3, 2018
5 votes
148k views
the frosty ice cream store sells sundaes for two dollars and banana splits for three dollars. on a hot summer day, the shop sold eight more sundaes than banana splits and made 156 dollars
answered Apr 11, 2018
1 vote
153k views
A fossilized leaf contains 15% of its normal amount of carbon 14. How old is the fossil (to the nearest year)? Use 5600 years as the half-life of carbon 14. Solve the problem. A. 35,828 B. 15,299 C. 1311
answered Oct 9, 2017
0 votes
214k views
Explain the different ways that you can use multiplication to estimate and solve division problems
answered Oct 8, 2017
2 votes
76.4k views
All of the following are examples of an internal barrier except: Question 21 options: A.Lack of self-confidence B.Inadequate motivation C.Incomplete future goals D.Abundant resources
answered Jun 29, 2017
4 votes
126k views
With the range of data available, geologists cannot predict exactly where and when earthquakes will occur. True or false?
answered Jun 6, 2017
3 votes
107k views
What other structures travel to the injury site with the white blood cells?
answered Apr 3, 2017
1 vote
96.4k views
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