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The probability that a student passes an examination is 2/5. If two students are picked at random from the class, what is the probability that one of them will pass and the other one will fail?
answered
Apr 12, 2020
Mathematics
middle-school
5
votes
71.5k
views
What kind of wave is created if a tree falls in a forest? 1. polarized wave 2. transverse wave 3. none of these 4. sound wave 5. electromagnetic wave
answered
Mar 14, 2020
Physics
high-school
3
votes
26.8k
views
5.2 more than the product of seven and a number
answered
Mar 5, 2020
Mathematics
middle-school
1
vote
10.5k
views
____ are programs intended to change the attitudes or behaviors of the participants.
answered
Dec 24, 2019
Social Studies
high-school
4
votes
158k
views
How do the internal structures of vascular and plants transport food and water.
answered
Oct 2, 2019
Chemistry
college
6
votes
82.2k
views
GPCRs are ___________ after activation. a. Sensitized b. Transported c. Degraded d. Desensitized
answered
Jun 14, 2019
Biology
middle-school
1
vote
225k
views
Read the passage. Northfield is a model city in Westport County. Crime rates have dropped 28% in the last five years, and new business development has increased by 42% over the same period. There also
answered
Apr 21, 2019
English
middle-school
6
votes
172k
views
Triangle WXY is isosceles. ∠YWX and ∠YXW are the base angles. YZ bisects ∠WYX. m∠XYZ = (15x)°. m∠YXZ = (2x + 5)°. What is the measure of ∠WYX? PLEASE EXPLAIN THE STEPS A. 5°B.15°C.75° D. 150°
answered
Dec 23, 2018
Mathematics
high-school
3
votes
159k
views
Which of these is not an extrusive igneous rock? A) basalt B) granite C) pumice D) volcanic glass
answered
Nov 21, 2018
Biology
high-school
2
votes
204k
views
Which government agency primarily deals with domestic policy issues?
answered
Oct 1, 2018
History
high-school
4
votes
68.9k
views
What was the northwest ordinance
answered
Sep 7, 2018
Social Studies
middle-school
4
votes
196k
views
Even though Alexandra could talk with her friends during dance class, she couldn't sing along to the songs. Which best describes her heart rate during this activity?
answered
Jun 19, 2018
Health
high-school
4
votes
66.0k
views
Eyeglasses bend light help the image form properly on the retina. The bending of light as it passes from one medium to another is called A) diffraction B) interference C) reflection Eliminate D) refraction
answered
May 21, 2018
Physics
high-school
2
votes
199k
views
What group was rebelling in shays rebellion
answered
Jan 7, 2018
History
high-school
4
votes
30.1k
views
9. help with this question o dont get it
answered
Nov 12, 2017
Mathematics
middle-school
3
votes
83.8k
views
You have 15 pennies in your pocket. Of those pennies, 3 are Canadian. Suppose you pick a penny out of your pocket at random. Find P(not Canadian).
answered
Nov 6, 2017
Mathematics
high-school
1
vote
124k
views
In 1955, Malcolm McLean named his new shipping company __________.
answered
Mar 13, 2017
Geography
high-school
4
votes
192k
views
You are fitting a new kitchen and measure the folllowing lengths of pipe. Subtract the shortest length from the longest. 0.81m 1.08m 0.8m 180cm 18cm
answered
Jan 2, 2017
Mathematics
high-school
4
votes
25.9k
views
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