Recent activity by Xiaofan Hu

Recent activity by Xiaofan Hu

A constant force of 900 n pushes a 100 kg mass up the inclined plane shown above at a uniform speed of 4 m/s. The power developed by the 900 n force is most nearly.

answered Dec 25, 2023

2 answers 463k views

- Select the equivalent expressions. 71-9y and (7x - y) (9) 5 (3t - 6) and 15 - 30 4 (6a +86) and 10a + 126 16 + 72n and (2 + 9n) (8)

answered Dec 24, 2023

1 answer 212k views

1) Which expression has a base with an exponent of 4?1. p + 42. 4 • I • y3. 4z^34. 3m^4

asked Sep 15, 2023

1 answer 323k views

solve for the missing side. round to the nearest 10th. (look at image below) pls & thank u! <3

answered Jun 28, 2023

1 answer 86.2k views

miguel saves the same amount of money into a bank account each week. the bank account started with some money in it. after 3 weeks, the bank account contained $250. after 10 weeks the bank account contained

asked Jun 18, 2023

1 answer 396k views

A salesman at the Wasteland TV Company sold five identical LED TV sets last week and earned $509.70 in commissions. If his commission rate is 6%, what does one of these models cost?

answered May 26, 2023

1 answer 87.3k views

A student is researching the effects of sugar on teenagers. Which source is not credible? A) a research study conducted by a university last year on the impacts of sugar on high school students B) a blog

asked May 12, 2023

1 answer 46.4k views

The House of Representatives for 10 years

asked Mar 13, 2023

1 answer 207k views

3xy divide 18 , x= Y=

asked Oct 23, 2022

1 answer 173k views

PLEASE HELP AND EXPLAIN! :) WORTH 48 POINTS! Is (2, 6) a solution to this system of equations? y = x + 4 y = 9x + 10

asked Oct 14, 2022

2 answers 335k views

Please help me fast!!!( I am close to a 100 so please don't give me a wrong answer)

answered Sep 9, 2022

1 answer 68.5k views

You deposit $5000 into an account that earns 6% annual interest. Fine the balance after 12 years when the interest is compounded monthly.

asked Jun 22, 2022

1 answer 296k views

Pls help asap I don’t understand

asked Jun 4, 2022

1 answer 494k views

A researcher makes the prediction that people who have naturally occurring higher levels of adrenaline will also have higher levels of anxiety. To test this hypothesis, the appropriate research design

asked May 5, 2022

1 answer 139k views

Search QAmmunity.org