Answers by Richard Barrell
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Answers by Richard Barrell

Answers by Richard Barrell
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Calculate the number of moles in each of the following masses: 0.039 g of palladium 0.0073 kg of tantalum
answered Aug 6, 2021
1 vote
69.2k views
A rotating sprinkler sprays a steady stream of water that is 9 feet long. If the sprinkler makes a full rotation, what is the approximate circumference of the circular area it sprays with water?
answered Jul 24, 2021
6 votes
149k views
Suppose you rolled a twelve-sided number cube instead of a standard six-sided one. How would the probability of these events change? The theoretical probability of landing on a star space on your first
answered Jun 15, 2021
0 votes
62.9k views
Sleep apnea: Sleep apnea is a disorder in which there are pauses in breathing during sleep. People with this condition must w up frequently to breathe. In a sample of 432 people aged 65 and over, 108 of
answered May 12, 2021
2 votes
96.1k views
GUYS PLEASE HELP ME THERE'S A SCREENSHOT ATTACHED
answered Apr 22, 2021
2 votes
180k views
A ball is thrown into the air with an initial velocity of 22 meters per second.The quadratic function h(t)=-4.9t2+22t+5.5represents the height of the ball above the ground,in meters, with respect to time
answered Feb 25, 2021
5 votes
19.4k views
Match the following. 1. dense current of clastic sediments and water turbidity current 2. formation of rock from sediment petrification 3. decrease in volume of sediments from deposition above lithification
answered Dec 28, 2020
5 votes
82.8k views
A sample of 260 students enrolled at a university were asked what they intended to do after graduation. The results are shown below. Bar Graph of Type of Employment What percentage of students intend to
answered Aug 9, 2020
4 votes
87.4k views
Help!??????????????????
answered Jul 10, 2020
2 votes
231k views
The net force applied to a 2.0 kg steel ball causes ot to accelerate at 4.2 m/s/s. When the same force is applied to a 2.1 kg steel ball,what is the acceleration
answered Feb 22, 2020
3 votes
219k views
Which national park gets the most visitors annually?
answered Feb 9, 2020
2 votes
207k views
At an orange picking farm, you are allowed to pick up to 40 oranges a day and you have already picked 17. Find the possible number of oranges you can still pick today.
answered Oct 21, 2019
0 votes
147k views
Carla is renting a canoe. It costs $80 for 2 hours and 120 for 4 hours. What is the rate of change for this situation​?
answered Aug 10, 2019
4 votes
112k views
Why did american soldiers begin to question us involvement in the war answers?
answered Jul 17, 2019
3 votes
85.2k views
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