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The angle of the semicircle is: a) 120 c) 180 b)60 d)90
answered
Jul 11, 2020
Mathematics
middle-school
6
votes
146k
views
Which of the following should have the highest boiling point?A) Na₂O B) HF C) NH₃ D) N₂ E) H₂O
answered
Jan 14, 2020
Chemistry
college
6
votes
119k
views
At Imelda's fruit stand, you bought 5 apples and 4 oranges for $10, and your friend bought 5 apples and 5 oranges for $11. Using this information, is it possible to determine the cost of one apple and
answered
Dec 14, 2019
Mathematics
high-school
1
vote
127k
views
The sum of two consecutive numbers is 131 .What are the two numbers ?
answered
Aug 16, 2019
Mathematics
high-school
5
votes
87.5k
views
Who were the mongols
answered
Aug 14, 2019
History
high-school
5
votes
32.0k
views
Please help me if no the answer if so thank you so much
answered
Apr 2, 2019
Mathematics
middle-school
6
votes
235k
views
You inherit the DNA that composes your chromosomes from your mother and your father. You have inherited a protein that STOPS the production of an enzyme, a protein, to help you digest milk. Scientists
answered
Nov 24, 2018
Biology
high-school
4
votes
77.4k
views
The ends of eukaryotic chromosomes are called ____________ .
answered
Jul 25, 2018
Biology
high-school
2
votes
222k
views
Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must
answered
Jul 6, 2018
Chemistry
high-school
3
votes
220k
views
True or false all squares have four congruent sides .since rectangles are squares all rectangles have four congruent sides
answered
Apr 30, 2018
Mathematics
middle-school
4
votes
232k
views
Please help, confused on this one. Which statement about American society in the 1950s is correct? A. Most suburban neighborhoods had a lot of racial and ethnic diversity. B. Most Americans of the 1950s
answered
Nov 21, 2017
History
middle-school
3
votes
86.6k
views
If there are 25 values in a data set in order from smallest to largest, what is the third quartile of the data set? A. The mean of the 22nd and 23rd values B. The mean of the 20th and 21st values C. The
answered
Nov 19, 2017
Mathematics
high-school
6
votes
68.0k
views
The cone pictured has a surface area of ______ square centimeters. (Use 3.14 for π.)
answered
May 15, 2017
Mathematics
high-school
4
votes
177k
views
What is a multiplication equation that has a solution of 2/7
answered
Feb 23, 2016
Mathematics
middle-school
4
votes
59.7k
views
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