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A brother and a sister are in the same math class. There are 8 boys and 10 girls in the class. One boy and one girl are randomly chosen. What is the probability that the brother and sister are chosen?
answered
Oct 19, 2019
Mathematics
high-school
2
votes
149k
views
Cscx×(1+cscx)=(sinx+1/sin^2x)
answered
Oct 5, 2019
Mathematics
college
1
vote
168k
views
Julia left the park on her bicycle at a rate of 0.25 miles per minute. Anthony, who was 4.5 miles away on the same path, began heading to the park on his bicycle at a rate of 0.20 of a mile per minute.
answered
Jul 11, 2019
Mathematics
middle-school
4
votes
136k
views
James took a survey in his homeroom to see what his classmates enjoy doing in their spare time. Below are the results from the 30 students in his homeroom. How many more students prefer to play sports
answered
Jun 13, 2019
Mathematics
middle-school
5
votes
110k
views
1. Aquaculture is the practice of farming sea organisms as a renewable food source. A. True B. False.,
answered
Mar 31, 2019
Biology
high-school
4
votes
191k
views
Which of the following account for the differences between radio waves, X-rays, and gamma rays? Check all that apply A. Frequency B. Wavelength C. Amplitude D. Speed
answered
Mar 5, 2019
Physics
high-school
2
votes
56.3k
views
Why did the nightly knocking at the temple finally stop in Old Man of the temple by RK Narayan? A. The narrator helped the old man find his way to his wife. B. They drove the old man out of town, so he
answered
Oct 15, 2018
English
high-school
2
votes
140k
views
How do geologists know that earth and the solar system are approximately 4.6 billion years old?
answered
Oct 10, 2018
Geography
high-school
6
votes
16.8k
views
What is the simplified form of each expression? (– h 4)5 A. – h 9 B. h 1 C. h 20 D. – h 20
answered
Aug 16, 2018
Mathematics
high-school
4
votes
136k
views
Can someone help me with this?
answered
Mar 3, 2018
Mathematics
high-school
4
votes
197k
views
You ate five slices of bread. Your friend eats two slices fewer than you. Write an expression that describes the number of slices your friend eats
answered
Oct 4, 2017
Mathematics
middle-school
3
votes
166k
views
Explain why the exponents cannot be added in the product 12^3 x 11^3
answered
Jun 22, 2016
Mathematics
high-school
4
votes
93.9k
views
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