Questions by Lijie

Questions by Lijie

Fine grains of beach sand are assumed to be spheres of radius 64.8 µm. These grains are made of silicon dioxide which has a density of 2600 kg/m3 . What is the mass of each grain of sand? Answer in units

asked Oct 12, 2020

1 answer

0 votes

62.2k views

The number of girls in cobbs class is 2 less than 3 times the number of boys. She has 26 students in her class how many are boys

asked Sep 12, 2020

1 answer

4 votes

191k views

A line passes through the point (6,1) and has a slope of -3. Write an equation in point-slope form for this line

asked Sep 8, 2020

1 answer

4 votes

186k views

PLEASE HELP! Explain your answer, THANK YOU!

asked Apr 11, 2020

1 answer

1 vote

147k views

Select the characteristics of a Christian who is in fellowship with God: righteousness wealth love prayer purity pride

asked Nov 14, 2019

2 answers

1 vote

59.1k views

2/7 (2s+3) expand the expression

asked Dec 6, 2018

1 answer

2 votes

29.1k views

What source of enegry drives the nitrogen cycle

asked Jun 8, 2018

2 answers

3 votes

1.5k views

Children need how much exercise each day? 1 hour 30 minutes 2 hours 15 minutes

asked Apr 2, 2018

1 answer

5 votes

96.6k views

The diffrence of 10 and u

asked Sep 16, 2017

1 answer

4 votes

211k views

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