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Answers by DavidN

Answers by DavidN
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Why are small quantities of chlorofluorocarbons so harmful to the ozone layer?
answered May 19, 2021
4 votes
180k views
Which of the following is equivalent to the expression below? 7h +1 A. h +7 B. 7(h + 1) C. (5h + 2) + 1 D. (5 + 2)h + 1 o O D What is the product of 2.52 and 3.4?*
answered Apr 30, 2021
4 votes
112k views
In Florida, the fine for going over 5 mph in a school zone results in a fine of ______
answered Mar 26, 2021
3 votes
55.9k views
How many moles of koh are needed to neutralize 0.4 moles of hno3
answered Jan 22, 2021
3 votes
191k views
State the degree and name of the polynomial 3mn + 4​
answered Oct 28, 2020
6 votes
12.7k views
Kinetic energy is defined as energy of an object in: Select one: a. reserve. O b. rebound. O c. motion Od del d. delay.
answered Feb 28, 2020
2 votes
120k views
Suppose you take out a 30 year mortgage for $210,488 at an annual interest rate of 3.8%. After 20 years, you refinance to an annual rate of 1.3% How much interest did you pay on this loan? Round answer
answered Feb 9, 2020
4 votes
132k views
Which practice is a component of Hinduism? A. using perfumes made of herbs B. wearing marks on the forehead C. attending schools and colleges D. serving cakes on birthdays E. speaking several languages
answered Jan 9, 2020
0 votes
138k views
What is the Erie Canal? How did railroads and canals benefit shipping goods?
answered Nov 28, 2019
1 vote
33.4k views
Imagining a positive outcome can help speakers manage their apprehension and give more effective speeches. True False
answered Nov 13, 2019
1 vote
215k views
Four friends were born in consecutive years. The sum of their ages is 94. What is the age of the oldest friend?
answered May 15, 2019
3 votes
216k views
Muscle is made of __________.
answered Oct 9, 2018
6 votes
208k views
If the mean of symmetrical distribution is 28. Which of these values could be the median of the distribution?
answered Aug 10, 2018
5 votes
117k views
Marcus hired a car service to drive him to the airport. The bill came to $56.80. He gave the driver a 20% tip. How much money did he give the driver as a tip?
answered Jun 19, 2018
6 votes
187k views
The seconds hand on the clock made a full turn around the clock. How many degrees did the seconds hand turn on the clock?
answered Feb 15, 2018
5 votes
195k views
For a smell to register in your brain, first you must inhale odor molecules into the nasal cavity. T or F?
answered Jan 21, 2018
2 votes
185k views
PLEASE HURRY NEED QUESTION. A few years ago, she offered to give me the piano, for my thirtieth birthday. I had not played in all those years. I saw the offer as a sign of forgiveness, a tremendous burden
answered Jan 7, 2018
4 votes
71.5k views
determine whether the given value is a solution of the open sentence. 2w - 5 = w 10; w = 16 a. the sentence is true when w = 5, so 5 is a solution. b. the sentence is not true when w = 16, so 16 is not
answered Nov 20, 2017
4 votes
218k views
Copyrights and patents encourage __________. A. Trade B. Imports C. inventions D. Investments
answered Jul 14, 2017
4 votes
173k views
What is one defining feature of a prokaryotic cell? cytoplasm surrounds organelles organelles are not membrane-bound membrane-bound organelles have a cell wall outside plasma membrane
answered Mar 23, 2017
7 votes
12.7k views
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