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5) An equation is called an if its solution set consists of all real numbers.
answered
May 9, 2020
Mathematics
middle-school
7
votes
55.0k
views
"Fifteen million people can't be wrong." What is fallacious about this statement? A) It posits the premise that truth has nothing to do with popularity. B) It posits that a premise can only be true if
answered
Mar 31, 2020
English
high-school
4
votes
76.9k
views
Select the correct answer Which statement correctly describes a physical change? A involves breaking and creating chemical bonds but not changing a phase B. may involve a change in phase but does not involve
answered
Mar 4, 2020
Chemistry
middle-school
1
vote
193k
views
How many moles are in 1.50 g of ethylamine, ch3ch2nh2?
answered
Nov 29, 2019
Chemistry
college
3
votes
117k
views
A social scientist is trained to study the contents of garbage heaps. "what can we learn from studying garbage?" would most likely be asked by
answered
Sep 8, 2019
Social Studies
high-school
4
votes
143k
views
What is 3x^2+21x+18 in factored form
answered
Feb 27, 2019
Mathematics
middle-school
4
votes
206k
views
Which statement best states how a video extends learning about a topic A.A video repeats information found in a text about the topic. B.A video engages the senses to present information on the topic. C.
answered
Oct 22, 2018
English
middle-school
2
votes
127k
views
If b = 7, what is the value of the expression 2(10 – b)?
answered
Sep 25, 2018
Mathematics
middle-school
5
votes
37.6k
views
An egg is cracked/broken. Is this egg experiencing a Physical or Chemical change? (Hint: is it still an egg?) Physical Chemical Both Neither
answered
Sep 24, 2018
Physics
high-school
3
votes
126k
views
Jade is painting a rectangular wall. The wall is 414 yd long and 223 yd high. The formula for the area of a rectangle is A=bh. What is the area of the wall? Enter your answer as a mixed number in simplest
answered
Mar 13, 2018
Mathematics
middle-school
3
votes
116k
views
Which table of ordered pairs represents a linear function? A. X/Y -8/22 0/1 8/22 16/102 B. X/Y -8/-7 0/1 8/9 8/2 C. X/Y -8/-7 0/0 8/7 16/14 D. X/Y -8/-7 0/1 8/5 16/4
answered
Jan 29, 2018
Mathematics
middle-school
5
votes
165k
views
The axons of a motor neuron release a neurotransmitter which generates an impulse to contract a muscle. What is this neurotransmitter called?
answered
Dec 25, 2017
Biology
high-school
2
votes
65.6k
views
A hypothesis represents a ______.
answered
Oct 17, 2017
Biology
high-school
5
votes
122k
views
How many 30 degree angles does it take to make a full turn?
answered
Apr 21, 2017
Mathematics
middle-school
2
votes
118k
views
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