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Find the slope of the line that is (a) parallel and (b) perpendicular to the line through the pair of points. (−5,−4) and (3,5)
answered
Nov 27, 2021
Mathematics
high-school
4
votes
89.3k
views
A chromosome has the following segments, where + represents the centromere: A B C + D E F G H What type of chromosomal aberration does the following chromosome have? A B C + D G F E H
answered
Nov 20, 2021
Biology
college
5
votes
223k
views
A tank holding 70 liters of water is heated by a 18000W electric immersion heater. If the specific heat capacity of water is 4200 J/(kg .℃), Calculate the time to change the temperature from 20 Degree
answered
Nov 6, 2021
Physics
high-school
7
votes
107k
views
Suppose we have an urn containing 9 marbles. Two are red, three are green, and four are blue. We randomly select 5 marbles from the urn, with replacement. What is the probability of selecting 3 green marbles,
answered
Oct 20, 2021
Mathematics
high-school
2
votes
16.0k
views
4r+5n^2-3r+9-2n-2 Simplify please
answered
Oct 6, 2021
Mathematics
high-school
2
votes
104k
views
What characteristics make a president successful?
answered
Aug 29, 2021
History
middle-school
4
votes
73.0k
views
Which order is correct in listing the bond lengths from shortest to longest? A. single, double, triple B. triple, double, single C. single, triple, double, D. double, triple, single
answered
Jul 10, 2021
Chemistry
middle-school
0
votes
147k
views
Holes drilled several kilometers into Earth’s crust provide direct evidence about Earth’s interior in the form of a. seismic waves. b. rock samples. c. liquid iron. d. volcanic eruption.
answered
May 10, 2021
Physics
middle-school
3
votes
79.8k
views
What percent of the US population is involved in production agriculture?
answered
May 1, 2021
Biology
college
4
votes
56.9k
views
SOMEONE PLEASE HELP ME ASAP PLEASE!!!
answered
Apr 2, 2021
Mathematics
middle-school
2
votes
97.5k
views
Which of the following RNA molecules can regulate gene expression by blocking the mRNA from being translated?
answered
Mar 30, 2021
Biology
college
3
votes
102k
views
What is the connection between the people gathered in new York and the events occurring in haiti
answered
Mar 11, 2021
English
middle-school
3
votes
153k
views
Compare the emergence of advanced civilizations in Meso and South America with the four early river valley civilizations. By introducing Hinduism to the Indus River valley, the Aryans played a similar
answered
Mar 6, 2021
Social Studies
middle-school
5
votes
224k
views
Sam wants to measure the amount of water in a full bathtub. Which is the best unit of measurement for Sam to use? What’s the answer
answered
Feb 2, 2021
Mathematics
college
2
votes
220k
views
Ivan is on a three-day hike. The hike is 60 miles long. If he walked 15 miles on the first day and 25 miles on the second day, how many miles does he have left to walk?
answered
Nov 2, 2020
Mathematics
middle-school
5
votes
171k
views
How much energy is realeased to the environment by 50.0 grams of condensing water vapor
answered
Aug 10, 2020
Chemistry
middle-school
4
votes
170k
views
I have a Algebra 2 question f(x) = 5x +4 and g(x) = x^2 - 5 find g(f(4))
answered
May 23, 2020
Mathematics
middle-school
4
votes
172k
views
How many floors does shanghai tower have?
answered
Jan 25, 2020
Arts
high-school
7
votes
77.0k
views
I don’t really get how to do this?
answered
Oct 8, 2019
Mathematics
high-school
2
votes
149k
views
Based on what you have read in this play to this point, do the witches’ prophecies predict the future, or do they make the future, that unfolds?
answered
Jun 18, 2019
English
high-school
3
votes
56.8k
views
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