# Posts by Vin

Total # Posts: 17

1. ### math

The combined length of 5 boards, each 10 ft longer than the width of the doorway?
2. ### algebra

2/3(12x-21)-2x=4xdivided by 10
3. ### math

The table shows the average production data for three products over the last month. The difference between the costs and the sale price is the company profit for one unit. If a new production method allows the labor costs of Product C to be reduced to \$3.45 per unit while ...
4. ### math

Jack typed 80 words per minute when he enrolled in a typing course. His typing speed increased by 3% two weeks into the course. At the end of the course, Jack was able to type his entire 1,680 word document in 20 minutes. What was the percent of increase in his typing speed ...
5. ### Math

My friend has \$80 to spend on a fence for her rectangular garden. She wants to use cedar fencing which costs \$8/foot on one side, and cheaper metal fencing which costs \$2/foot for the other three sides. What are the dimensions of the garden with the largest area she can ...
6. ### Physics

How will the balancing length of a potentiometer be affected if resistance in the primary cell is increased or decreased? Will the balancing length change if a resistance is introduced before the jockey ?
7. ### social studies

Thank you. :)
8. ### social studies

How did James Fenimore Cooper help in reforming America?
9. ### physics

a.work done = 100*1.5 = 15o Joules b.energy = 10*10*1.5 = 150 Joules c.power = 150 / 60 = 2.5 W
10. ### chemistry

The following data were collected at the endpoint of a titration performed to find the molarity of an HCl solution: Volume of acid (HCl) used = 14.4 mL; Volume of base (NaOH) used = 22.4 mL; Molarity of standard base (NaOH) = 0.200 M; What is the molarity of the acid solution...
11. ### Physics

A soccer ball is kicked with an initial speed of 5.1 m/s in a direction 24.5° above the horizontal. Find the magnitude and direction of its velocity at the following times. (Take the +x axis to be parallel to the ground, in the direction that the ball is kicked.) A) 0.25 s...
12. ### Physics

A soccer ball is kicked with an initial speed of 5.1 m/s in a direction 24.5° above the horizontal. Find the magnitude and direction of its velocity at the following times. (Take the +x axis to be parallel to the ground, in the direction that the ball is kicked.) A) 0.25 s...
13. ### ChemISTRY (WEBWORK)

B+ decrease increase C(s)
14. ### geography

I need help to understand how to read a river map. Please could someone advise me or point me in the right direction. Thanks. If you are talking about maps that would be used for river navigation, see (Broken Link Removed) If you are talking about maps that just show where a ...
15. ### geography

I need to understand how to read a river map. Please can you give me some help where to find this information. See my answer to your duplicate post.