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What are the basics of trigonometry?
asked
Jun 27, 2021
Mathematics
high-school
1
answer
4
votes
84.1k
views
If ∠1 ≅ ∠2 ≅ ∠3, ∠4 ≅ ∠5, and m∠4 = m∠3 + 10°, What is m∠5?
asked
Jun 14, 2021
Mathematics
high-school
1
answer
2
votes
78.5k
views
What is commonly used to run a central heating system? solar energy electrical energy geothermal energy nuclear energy
asked
May 11, 2021
Chemistry
college
1
answer
4
votes
162k
views
Which of the following is the most direct evidence for evolution? A. Biogeography. B. Anatomy. C. Developmental biology. D. Fossil record.
asked
Mar 4, 2021
Biology
high-school
1
answer
0
votes
104k
views
The length of time needed to complete a certain test is normally distributed with mean 92 minutes and standard deviation 8 minutes. Find the probability that it will take less than 80 minutes to complete
asked
Jan 1, 2021
Mathematics
college
1
answer
4
votes
25.3k
views
When the coordinates (1,1), (4,4),(7,1) and (4,-2) are joined, which shape is formed
asked
Dec 8, 2020
Mathematics
middle-school
2
answers
2
votes
84.9k
views
I really need help on this question!!!
asked
Sep 5, 2020
Mathematics
middle-school
2
answers
3
votes
58.0k
views
Pls help due in a few
asked
Apr 18, 2020
Mathematics
high-school
1
answer
0
votes
106k
views
What type of pen was used to sign the declaration of independence
asked
Nov 7, 2019
History
middle-school
2
answers
2
votes
84.7k
views
To reduce their risk for prostate cancer men over 40 are encouraged to have
asked
Aug 16, 2019
Biology
high-school
1
answer
4
votes
104k
views
Which level of organization BEST describes the human body shown in the diagram? A. organ B. tissue C. organ system D. cell
asked
Jan 20, 2019
Chemistry
college
2
answers
2
votes
13.5k
views
Which is formed when sediment is deposited into the still water of a lake or ocean a.meander b.delta c.bluff d.waterfall
asked
Mar 11, 2018
Geography
middle-school
2
answers
0
votes
7.0k
views
What portion of the electromagnetic spectrum can human eyes detect? A. visible light B. visible light and infrared light C. infrared light D. infrared light and ultraviolet light
asked
Mar 4, 2017
Physics
high-school
2
answers
4
votes
70.9k
views
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