Questions by Chris Collett

Questions by Chris Collett

FInd the value of x. I'm not sure how to do this..

asked Dec 6, 2020

1 answer

4 votes

50.6k views

A certain element X has four isotopes. 4.350% of X has a mass of 49.94605 amu. 83.79% of X has a mass of 51.94051 amu. 9.500% of X has a mass of 52.94065 amu. 2.360% of X has a mass of 53.93888 amu. What

asked Oct 24, 2020

1 answer

0 votes

186k views

Two cars start at the same point and travel in the same direction on the same road. One travels 50 km/h and the other travels at 45 km/h. After how many hours will they be 20 km apart?

asked Oct 1, 2020

1 answer

1 vote

84.0k views

What is 4and7/8ths divided by 1/8 ths

asked May 10, 2020

1 answer

4 votes

42.6k views

A 1.41 kg mass is suspended from a string which is pulled upward. the mass accelerates upwards with an acceleration of 3.10 m/s2. what is the tension in the string?

asked Dec 19, 2019

1 answer

0 votes

133k views

write the fractions which have been graphed on the number line. explnations please. Also question E only thanks

asked Jun 13, 2019

1 answer

1 vote

14.7k views

According to the "random events" theory, as spontaneous or externally caused mutations accumulate, __________.

asked Apr 19, 2019

1 answer

1 vote

75.8k views

When a force is applied to an object for an amount of time, it is known as __________. A. momentum B. acceleration C. inertia D. impulse

asked Feb 23, 2019

2 answers

3 votes

113k views

How to write Edith must read for a minimum of 20 minutes

asked Jan 8, 2019

1 answer

5 votes

66.1k views

In June, a runner ran a mile in 7:45. In September, the runner ran a mile in 5:51. what is the percent of change

asked Oct 17, 2018

2 answers

0 votes

67.0k views

How did the Magna Carta affect the constitution?

asked May 5, 2018

2 answers

0 votes

172k views

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