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If a camera lens gives the proper exposure for a photograph at a shutter speed of 1/200 s at an f-stop of f/2.80, the proper shutter speed at f/7.92 is
asked
Feb 26, 2021
Physics
college
1
answer
2
votes
204k
views
What is the correct scale factor?
asked
Feb 11, 2021
Mathematics
high-school
1
answer
2
votes
158k
views
How much energy is needed when 1.27 moles of sulfur reacts with excess C(s) + 25(s) → CS2(1) AH= +89.3kJ
asked
Jan 19, 2021
Chemistry
college
1
answer
1
vote
21.3k
views
The last battle of the war was fought at — ? Fighting The Revolutionary War
asked
Dec 28, 2020
History
middle-school
2
answers
5
votes
142k
views
PLEASE HELP!!! In the xy- plane, the graph of y = -4x-2 crosses the y- axis at the point (0,k). What is the value of k? A . -4 B. -2 C. -1/2 D. -1/4
asked
Dec 25, 2020
Mathematics
middle-school
1
answer
2
votes
116k
views
Which is the equation in the slope-intercept form for the line that passed through (2, 8) And it is perpendicular to 4x + 2y= 6?
asked
Dec 15, 2020
Mathematics
high-school
1
answer
5
votes
79.3k
views
During the holiday sale the store discounted all items 40% what is the discount on a $19.95 item
asked
Oct 2, 2020
Mathematics
middle-school
2
answers
2
votes
119k
views
Abner has been smoking marijuana regularly for 30 years when he participated in a study comparing cognitive performance between smokers and nonsmokers. After 28 days of abstinence from marijuana, he took
asked
Feb 5, 2020
Social Studies
high-school
1
answer
5
votes
23.2k
views
Someone help me with these wrong Sentences you must use past tenses.
asked
Nov 28, 2019
English
middle-school
2
answers
0
votes
97.5k
views
Which is true about the inertia of two cars, Car A of mass 1,500 kilograms and Car B of mass 2,000 kilograms? A. Car A and Car B have the same inertia. B. Car A has more inertia than Car B. C. Car B has
asked
Aug 7, 2019
Physics
high-school
2
answers
3
votes
120k
views
Durring the process of the genetic message from dna is transformed into mrna
asked
Jul 1, 2019
Biology
middle-school
1
answer
4
votes
195k
views
Can someone please help me with this problem??
asked
Jan 3, 2019
Mathematics
middle-school
1
answer
4
votes
57.5k
views
Which decimal is the greatest? Question 4 options: 3.2581 3.2501 3.2051 3.2591
asked
Dec 14, 2018
Mathematics
middle-school
2
answers
0
votes
215k
views
Read the definition. a mistake in logic What is being described? deductive reasoning analogy logical fallacy inductive reasoning
asked
Sep 13, 2018
English
high-school
2
answers
4
votes
74.6k
views
In which choice is the ellipses used correctly to revise the following sentence: I cannot help it; reason has nothing to do with it; I love her against reason. A)Reason...has nothing to do with it. B)Reason.
asked
Nov 25, 2017
English
middle-school
2
answers
4
votes
174k
views
angler fish in high light levels VS. low light levels if the light in the habitat is increased, then the angler fish will have a (higher/lower) health rating.
asked
Nov 20, 2017
Biology
high-school
2
answers
2
votes
81.4k
views
each year, the department of water works measures the chloride concentration level in the water. the first year, they found the chloride concentration changed by -13/5 mg /L . it is estimated that the
asked
Sep 4, 2017
Mathematics
middle-school
1
answer
5
votes
63.5k
views
What percentage is 40 of 50 ?
asked
Mar 13, 2017
Mathematics
high-school
1
answer
2
votes
112k
views
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