Questions by Chunbin Li

Questions by Chunbin Li

Determine the intervals on which the function is concave upwards or concave downwards

asked Dec 20, 2023

1 answer

34 votes

531k views

What is the answer 5/6=1/3+d

asked Nov 28, 2023

1 answer

35 votes

5.8k views

What is the molarity of a solution that contains 0.350 mol of Na2S in 1.30 L of solution

asked Oct 27, 2023

1 answer

45 votes

211k views

Where would you go looking for food if you didnt have any journal entry

asked Aug 26, 2023

2 answers

36 votes

504k views

How do you solve this

asked Aug 14, 2023

1 answer

42 votes

82.9k views

When Adam got a new locker at the gym, he had to choose a password. For this locker, a password consists of 4 non-repeated letters from A - Z. How many different passwords are there to choose from?

asked Oct 7, 2022

1 answer

26 votes

296k views

9 plus 1 please. Enjoy these points it will help!

asked Mar 11, 2022

1 answer

10 votes

386k views

A student measures the speed of sound by echo destiny classes hands and then measures the time to hear the echo his distance to the wall is 300 m The time delay between clap an echo is 1.5 seconds. Calculate

asked Feb 17, 2022

1 answer

33 votes

39.4k views

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