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An ________ molecular ion peak usually indicates the presence of an odd number of nitrogen atoms in the molecule.
answered
Feb 17, 2022
Chemistry
college
6
votes
111k
views
25. Angle of Elevation An engineer erects a 75-foot vertical cellular-phone tower. Find the angle of elevation to the top of the tower from a point on level ground 95 feet from its base.
answered
Jan 18, 2022
Mathematics
high-school
4
votes
14.7k
views
In the diagram, figure I is a square, and figures II and III are equilateral triangles. What is the value of x?
answered
Nov 30, 2021
Mathematics
middle-school
4
votes
102k
views
b. Comparing and Contrasting Compare the change in atmospheric pressure with elevation to the change in water pressure with depth
answered
Nov 26, 2021
Physics
middle-school
2
votes
198k
views
Which expression correctly represents the fraction? 11/8 A. 10 + 1/8 B. 11 + 1/8 C. 11 x 1/8 D. 11/8 x 1/8
answered
Sep 29, 2021
Mathematics
middle-school
2
votes
169k
views
Many Americans Justified westward expansion during the 1840's based on (1) A belief in Manifest Destiny (2) A need to preserve the natural environment (3) The authority of Monroe Doctrine (4) The constitutional
answered
Jul 23, 2021
History
middle-school
2
votes
151k
views
Which is greater -13 or -16?
answered
May 3, 2021
Mathematics
high-school
5
votes
9.3k
views
HELP ME NOW PLEASEE A rectangular driveway has the dimensions shown below. Concrete costs $49.75 per square yard to pour. How much will it cost to pour concrete for the entire driveway?
answered
Apr 18, 2021
Mathematics
high-school
1
vote
8.0k
views
The first people to LIVE in North and South America were the: English Native Americans Vikings Spanish The Columbian Exchange refers to the exchange of diseases ideas food
answered
Mar 30, 2021
History
high-school
7
votes
167k
views
Where does MLK Jr. use repetition in his speech?
answered
Feb 26, 2021
History
college
4
votes
215k
views
Which point is the image of P
answered
Feb 6, 2021
Mathematics
high-school
3
votes
20.2k
views
Complete the quotient and remainder of 735 divided by 10.
answered
Jan 18, 2021
Mathematics
middle-school
5
votes
114k
views
-3/2 (24-5 1/3) i need the explanation
answered
Aug 13, 2020
Mathematics
middle-school
4
votes
129k
views
A company has two types of machines, type R and type S. Operating at a constant rate, a machine of type R does a certain job in 36 hrs and a machine of type S does the same job in 18 hours. If the company
answered
Aug 9, 2020
Mathematics
high-school
1
vote
223k
views
What is the value represented by the digit 8 after 5,872 is multiplied by 1,000?
answered
Jun 18, 2020
Mathematics
middle-school
5
votes
141k
views
A truck travels 1430 m uphill along a road that makes a constant angle of 5.76◦ with the horizontal. Find the magnitude of the truck's horizon- tal component of displacement. Answer in units of m.
answered
Mar 8, 2020
Physics
high-school
3
votes
63.7k
views
a television remote control operates at 319 THz, what is the wavelength of the infrared light in nanometers?
answered
Oct 14, 2019
Chemistry
middle-school
2
votes
109k
views
Hurricanes and tornados are two of nature’s destructive forces. 2Hurricanes bring high winds, high seas, and vast amounts of rain. 3High seas rip into the shore line and cause massive flooding, while strong
answered
Jul 20, 2019
English
middle-school
2
votes
91.1k
views
Is N2 + 3H2 →2NH3 a balanced chemical equation? Is it obeying the law of conservation of matter?
answered
Apr 30, 2019
Physics
college
0
votes
81.0k
views
What is 4 9/10 written as a decimal. expressed as a decimal?
answered
Jan 11, 2019
Mathematics
middle-school
5
votes
127k
views
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