Answers by Joe Flynn
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Answers by Joe Flynn

Answers by Joe Flynn
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n exponential spiral has parametric equationr(t) =〈etcost, etsint〉.(a) Plotr(t). Make sure your plot includeslimt→−[infinity]r(t).(b) Find the unit tangent vectorT(t)tor(t).(c) Find the length ofr(t)for−[infinity]< t≤0.(d) Letf(x, y) =−12ln(x2+y2)−arctanxy. Find∇f(x, y).(e) Compute the angle between∇f(r(t))andr′(t).
answered Mar 18, 2021
4 votes
151k views
Please help. I dont understand it ​
answered Feb 11, 2021
7 votes
189k views
What is strict interpretation
answered Jan 25, 2021
4 votes
110k views
A 3.47-m rope is pulled tight with a tension of 106 N. A wave crest generated at one end of the rope takes 0.472 s to propagate to the other end of the rope. What is the mass of the rope (in kg)
answered Jan 21, 2021
5 votes
73.3k views
If △PQR ≅ △STU, which of the following would be another way to write a congruence statement for the two triangles. △QPR ≅ △STU △QPR ≅ △TSU △PQR ≅ △SUT △PRQ≅ △TSU
answered Dec 14, 2020
5 votes
180k views
Which is one of the seven characteristics that Mendel observed in pea plants? flower size seed texture leaf shape stem color
answered Oct 22, 2020
4 votes
184k views
A yo-yo is swung around the head of a person in a horizontal circle. What provides the centripetal force on the yo-yo?
answered Sep 12, 2020
6 votes
25.3k views
What is an example of an equation with infinitely many solutions?
answered Apr 15, 2020
4 votes
216k views
Helen wants to create a Web site based on her famous cooking show. She would like to provide instructions on how to create some of her favorite dishes. She would like her recipes to be displayed in very
answered Feb 29, 2020
5 votes
211k views
Felicia wants to draw triangle PQR such that the conditions shown are true. I already did something as you can see , but Im not sure where to go from bere and how to explain question a either. Please show
answered Oct 4, 2019
7 votes
179k views
Which most accurately describes how ancient Greece influenced governments of later civilizations?
answered Jul 23, 2019
3 votes
211k views
(3x^2-15d) - (-10x^2-4d)
answered Apr 30, 2019
3 votes
74.6k views
Use the function rule to complete the table -10x+y=4
answered Nov 13, 2018
5 votes
82.5k views
The ____ button on the rehearsal toolbar clears the slide time box and resets the timer to 0:00:00.
answered Oct 24, 2018
1 vote
58.4k views
Which sentence below is not properly punctuated? a. She finished her work and then took a long lunch. b. I am typing a letter, and she is talking on the phone. c. Mae said "Why don't you come up and see
answered Oct 12, 2018
3 votes
12.5k views
Which Progressive Era president was responsible for the establishment of national parks and reserves?
answered Apr 18, 2018
5 votes
63.5k views
Which of the following technologies was NOT created during World War 2? A) Computer B) Antibiotics C) Microwave D) Atomic Bombs
answered Feb 23, 2018
0 votes
87.8k views
Why do scientists use computers to map El Nino?
answered Dec 29, 2017
3 votes
186k views
Which best describes where the scientists who have contributed to our scientific knowledge were located? A. They were from all parts of the world. B. They were mostly in the United States. C. They were
answered Jul 15, 2017
5 votes
165k views
The two proposed plans for the constitution agreed on?
answered Mar 12, 2017
3 votes
169k views
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