Answers by Amir Rahman
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Answers by Amir Rahman

Answers by Amir Rahman
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For what real value of b is the expression (1/2)b^2 + 5b - 3 minimized?
answered May 1, 2021
3 votes
232k views
A sample of gas at 25 C has a volume of 11 L and exerts a pressure of 0.868 atm. How many moles of gas are in the sample? 0.39 mol 3.9 mol 9.3 mol 87 mol
answered Apr 20, 2021
4 votes
111k views
If a chairlift at a ski resort can carry 4 people, how many chairs are necessary to carry a group of 25 people to the top of the mountain?
answered Mar 19, 2021
6 votes
69.2k views
Suppose a student started a chain email by sending the message to 3 friends and asking those friends to each send the same email to 3 more friends exactly 1 day after they received it. Representation:
answered Mar 18, 2021
2 votes
83.1k views
7. Did the states you currently live in have segregation laws related to marriage? If so, what are they?
answered Feb 13, 2021
4 votes
24.3k views
Vahe and Davit together can complete a task in 3 days. If they had to work separately, the time taken by Davit to complete it would be more than that of Vahe by 8 days. In how many days can Vahe alone
answered Nov 19, 2020
4 votes
140k views
An investment in the Mezzogiorno will receive a subsidized loan of $12 million from the Italian government. The loan bears an interest rate of 7% in contrast to a market rate of 10%. The loan principal
answered Oct 30, 2020
4 votes
148k views
1. What is the marginal distribution of individuals who are underweight? Weight Class vs. Gender Underweight At Goal Weight Overweight Total Male 206 380 1 Female 446 on 620 Total 1000 62.0% 38.0% 13.0%
answered Sep 2, 2020
3 votes
201k views
The modern city where islam began
answered Aug 28, 2020
2 votes
62.9k views
origami is the Japanese art of paper folding the diagram below represents an unfolded paper kabuto a samuri warriors helmet which of the following are pairs of congruen segments? check all that apply ​
answered Jun 30, 2020
6 votes
54.3k views
What is the collective role of water vapor, carbon dioxide, ozone, and methane in the atmosphere
answered Jun 6, 2020
3 votes
213k views
A structural steel shaft with an outer diameter of 1.9 inches and an applied torque of 82.7 ft*lbs. Find: The maximum torsional shear stress in the shaft. Select one: a)- 736.88 ksi b)- 61.41 psi c)- 1473.
answered Feb 21, 2020
3 votes
158k views
Diego Inc. wants to replace a 7-year-old machine with a new machine that is more efficient. The old machine cost $50,000 when new and has a current book value of $12,000. Diego can sell the machine to
answered Jan 6, 2020
1 vote
160k views
LaShawn solved the equation below to the determine the solution.3x-8= - x + 4(x-2)How many solutions does LaShawn’s equation have? a.zerob)onec)twod) Infinitely many
answered Nov 1, 2019
2 votes
89.5k views
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