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Answers by Runexec

Answers by Runexec
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A compound has a molecular mass of 54 and an empirical formula of C2H3. What is the molecular formula of the compound?
answered Jan 29, 2021
5 votes
167k views
Given f(x) = x2 + 2x , solve for x where f(x+2) = 0. hELP ME PLEASE ​
answered Jan 26, 2021
3 votes
151k views
What is the volume of 2.884 kg of gold? The density of gold is 19.30 g/cm3. a. 149.4 cm3 b. 0.1494 cm3 c. 6.692 cm3 d. 149.4 L e. 6692 cm3
answered Jan 13, 2021
1 vote
59.1k views
Question 2 of 10 How many hydrogen atoms are present in each water molecule? A. 2. B. 4 C. 3 D. 1
answered Jan 9, 2021
5 votes
200k views
Which strategies are recommended to conserve and manage water? Check all that apply. Stop using water in all areas of life. Use technology to produce clean water. Use water wisely at home and in industry.
answered Jan 7, 2021
2 votes
106k views
Find the area under one arch of the cycloid x = r(θ − sin(θ)) y = r(1 − cos(θ)).
answered Aug 31, 2020
5 votes
45.1k views
A positive charge of 94.0 nC is 12.0 cm from a negative charge of 53.0 nC. The force on one of the charges due to the other is approximately _________.
answered May 15, 2020
1 vote
64.3k views
If 1495 j of heat is needed to raise the temperature of a 339 g sample of a metal from 55.0°c to 66.0°c, what is the specific heat capacity of the metal
answered Mar 20, 2020
2 votes
142k views
Which executive department would someone consult to file a corporation renewal, find information on a corporation, renew a professional license, register to vote, view state election results, or view historical
answered Jun 14, 2019
6 votes
164k views
Find the area of the rectangle if AB = 2x + 1 and AD = 4x. A) 12x B) 8x2 + 1 C) 6x2 + 4x D) 8x2 + 4x
answered May 18, 2019
0 votes
216k views
Which is the most precise name of this figure? A) Parallelogram B) Rhombus C) Rectangle D) Square
answered Mar 27, 2019
4 votes
128k views
Explain how Roosevelt might have used the data in the graphs during the 1932 presidential campaign.
answered Feb 16, 2019
1 vote
117k views
Why did the colonists disobey the Proclamation of 1763 A. The british had signed treaties with the Native Americans so the land was safe. B. British troops were posted in forts throughout the area C. They
answered Feb 7, 2019
2 votes
3.1k views
A bowling ball is whizzing down the bowling lane at 4 m/s. If the mass of the bowling ball is 7-kg, what is its kinetic energy? 52 J 48 J 56 J 66 J
answered Jan 29, 2019
5 votes
168k views
Leticia charges 8$ per hour to babysit. She babysat Friday night for 4 hours ,and then she babysat again on saturday.She earned a total of 72$.How Many hours did Leticia babysit on Saturday ?
answered Jan 27, 2019
3 votes
206k views
A truck traveled 341 miles on 15 1/2 gallons of gas. How many miles might we expect the truck to travel on 1 gallon gas?
answered Nov 27, 2018
0 votes
15.5k views
Besides the force due to gravity or g, what else determines the period of a pendulum?
answered Sep 1, 2018
4 votes
11.7k views
Please help me solve? (m3n + 8)(m3n - 5) multiplying polynomial by polynomial
answered Apr 24, 2018
6 votes
59.7k views
What is 128 hundredths written as a decimal?
answered Feb 9, 2018
4 votes
94.1k views
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