Answers by Jingqiang Zhang
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Answers by Jingqiang Zhang

Answers by Jingqiang Zhang
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Which expression is equivalent to (7^-8)(7^3)
answered Aug 30, 2020
6 votes
191k views
The speed of sound is about 3.4 × 102 meters per second. Mark is performing a science experiment and he needs to know how far sound travels in 3 × 1010 seconds. If Mark uses a calculator to solve this
answered Jul 31, 2020
6 votes
173k views
The lifetime (in hours) of a 60-watt light bulb is a random variable that has a Normal distribution with σ = 30 hours. A random sample of 25 bulbs put on test produced a sample mean lifetime of = 1038
answered Apr 23, 2020
6 votes
122k views
There is 83 bags and there was 27 apples how many apples are in each bag
answered Apr 10, 2020
4 votes
103k views
What are the three ways resources are classified?
answered Apr 4, 2020
5 votes
188k views
If vector 1=(2,5) and vector 2=(4,-3), what is the angle between the two vectors? Round your answer to one decimal place.
answered Mar 5, 2020
4 votes
24.2k views
Under the circumstances thoreau describes, do you believe civil disobedience is a duty, as he says? what circumstances in our own society would justify civil disobedience? explain how thoreau's essay speaks
answered Feb 8, 2020
6 votes
5.3k views
Help please guys help
answered Nov 17, 2019
3 votes
63.5k views
Antonio gramsci coined the term hegemony to mean that a dominant group wins "consent" of the masses through "moral and intellectual leadership." his thoughts are closely related to those of:
answered Aug 24, 2019
5 votes
155k views
Rub-, rubello- and rubero- (rub/or; rub/ella; rub/eola) mean:
answered May 16, 2019
2 votes
187k views
What are the angle measures of triangle ABC? m∠A = 30°, m∠B = 60°, m∠C = 90° m∠A = 90°, m∠B = 60°, m∠C = 30° m∠A = 60°, m∠B = 90°, m∠C = 30° m∠A = 90°, m∠B = 30°, m∠C = 60°
answered May 7, 2019
4 votes
203k views
Can be harmful to your health and lead to problems such as depression if we don’t learn how to handle properly
answered Feb 4, 2019
3 votes
33.0k views
Read the sentence. Either John or Lisa was in the lab, because neither Neil nor I went there today. Which words in the sentence are the correlative conjunctions? either, or; neither, nor or, neither or,
answered Dec 4, 2018
5 votes
86.6k views
A bottle contains 3.5 L of water. A second bottle contains 3750 mL of water. How many more millimeters are in the larger bottle of them in the smaller bottle
answered Sep 26, 2018
1 vote
94.5k views
Maps that focus on ideas are known as
answered Sep 3, 2018
6 votes
51.4k views
Amy wants to use a strong verb in the second sentence of her story. Sharalyn and Jessica visited their grandfather's cabin during their summer break from school. Grandpa's cabin was ,fill in the blank,
answered Sep 1, 2018
6 votes
170k views
Which of the following statements are true of gases? Check all that apply. A. The particles have more kinetic energy than those of liquids or solids. B. The particles are in a fixed location. C. The particles
answered Aug 13, 2018
6 votes
173k views
What is the negative square root of 361?
answered Mar 9, 2018
3 votes
202k views
Johanna had school loans that totaled $70,792. She paid off $ 46,375 of her loans. She estimates that she has about $25,000 left to pay. Which of the following explains how Johanna could have figured this
answered Oct 29, 2017
7 votes
219k views
A football is kicked into the air from an initial height of 4 feet. The height, in feet, of the football above the ground is given by s (t)=-16^2+50t+4, where t is time, in seconds, and t>=0. At what
answered Apr 29, 2017
5 votes
47.5k views
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