Answers by Lei Lei
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Answers by Lei Lei

Answers by Lei Lei
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TRUE or FALSE: The aerobic system supplies energy best at a heart rate of approximately 70% maximum.
answered Dec 25, 2018
2 votes
168k views
You are designing a new container for powdered laundry detergent. You are considering a cylindrical container with a diameter of 14 inches and a height of 18 inches. Find the volume of this container to
answered Oct 3, 2018
4 votes
53.0k views
at store 1 I can buy 36 oz of baby formula for $26.62 and at store 2 I can buy 28 oz of baby formula for $22.42. which one is a better buy and by how much?
answered Aug 18, 2018
3 votes
150k views
Whats some examples of written communication
answered Jun 19, 2018
6 votes
80.5k views
How did John Paul Jones respond when asked to surrender during his battle with the HMS Serapis? He replied, “The captain always goes down with his ship!” He withdrew and enlisted in the Continental navy.
answered Feb 14, 2018
3 votes
142k views
Ron is five years older than twice his cousin pats age. the sum of their ages is less than 35. what is the greatest age that pat could be ? a. 7b. 8c. 9d. 10
answered Dec 24, 2017
6 votes
188k views
If the unit sales price is $7 and variable costs are $3, how many units have to be sold to earn a profit of $3,600
answered Nov 14, 2017
5 votes
202k views
Genetic engineering involves _______ to achieve desired results. a. enzyme production b. modifying products and processes c. changing one organism into another d. introducing traits into organisms
answered Nov 3, 2017
0 votes
97.0k views
What is an estimate of the number of Africans that died in passage to the Americas during the Atlantic slave trade? a. 2,000 b. 2 million c. 11 million d. 800,000
answered Oct 8, 2017
2 votes
123k views
Which solution has the highest concentration of salt? A.A pot of soup is 50 grams of salt per liter. B. The ocean contains 36 grams of salt in every liter. C. A 10-liter saltwater fish tank contains 360
answered Sep 14, 2017
4 votes
175k views
A wave with a wavelength of two meters with a depth of twenty meters what type of wave is it
answered Mar 4, 2017
3 votes
234k views
Area triangle with base 5 cm and height 12 cm
answered Jun 29, 2016
0 votes
108k views
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