Answers by David Collins
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Answers by David Collins

Answers by David Collins
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Suppose that the recovery period, in days, for patients having back surgery is normally distributed with an unknown mean and standard deviation. The recovery period lengths of 39 randomly sampled back
answered Dec 3, 2024
4 votes
214k views
Explain the difference between the graphs of polynomial functions with a degree of 3 that have a positive leading coefficient and the graphs of those with a negative leading coefficient.
answered Sep 21, 2024
3 votes
208k views
A bacteria culture starts with 3000 bacteria. After 3 hours there are 48000 bacteria present. What is the length of the doubling period?​
answered Aug 18, 2024
0 votes
94.7k views
What did Eli chambers do in order to survive? ( not football )
answered Dec 19, 2023
10 votes
203k views
What is 60% of 81? 24.3 32.4 48.6 56.7
answered Dec 8, 2023
8 votes
85.5k views
What does a CPU do? I dont want a full essay, just please summarize and keep it short.
answered Dec 2, 2023
5 votes
146k views
Jorge feels he gets plenty of exercise; however, his doctor wants him to meet at least the recommended exercise requirements of the Amer Heart Association. How can Jorge BEST meet these requirements? OA.
answered Oct 28, 2023
1 vote
221k views
Can someone help me find SP
answered Nov 15, 2022
8 votes
24.7k views
Are these right or wrong
answered Nov 11, 2022
2 votes
195k views
Gary’s bank account dropped $5 in value every day for 4 days. Find the integer that represents the change in value of his stock during that time. 1. $20 2. -$20
answered Oct 16, 2022
4 votes
42.8k views
Question 3 How is the phrase kicked up used in the following sentence from "The Fight"? A rock from the street that had been kicked upby the truck's tires nearly hit her during the near collision. A a
answered Sep 13, 2022
0 votes
163k views
U n n + + + = + − + , khi → +∞.
answered Sep 10, 2022
6 votes
15.5k views
Please help me my teacher won't help and I dont get this problem ​
answered Jul 16, 2022
8 votes
111k views
Tyler’s height is 57 inches. What could be his height in centimeters? Explain your reasoning. (1 inch= 2.54 cm)
answered Jul 14, 2022
9 votes
188k views
Today, many Africans are Christians or Muslim. Which dominant religion in Northern Africa is _____________, while the dominant religion in the Sub-Saharan Africa is _____________. Help me ASAP 　plzzz
answered Apr 12, 2022
12 votes
60.1k views
Find myz in the picture below (Geometry)
answered Mar 20, 2022
2 votes
115k views
What is the value of 4³ I know I ask alot but please help!!
answered Jan 27, 2022
6 votes
91.5k views
Rocco used these steps to solve the equation 4x + 6 = 4 + 2(2x + 1). Which choice describes the meaning of his result, 6 = 6?
answered Dec 30, 2021
3 votes
190k views
Describe three reasons that African Americans still struggled throughout the 1920s.
answered Dec 28, 2021
4 votes
127k views
A farmer has 150 acres of land suitable for cultivating Crops A and B. The cost of cultivating Crop A is $40/acre, and the cost of cultivating Crop B is $60/acre. The farmer has a maximum of $7400 available
answered Nov 17, 2021
3 votes
78.7k views
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