Answers by Jon Hoffman
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Answers by Jon Hoffman

Answers by Jon Hoffman
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A student launches a small 0.5 kg rocket with an initial speed of 30 m/s at an angle of 60°. Approximately how much time will the rocket spend in the air? Air resistance is negligible.
answered Mar 5, 2021
0 votes
220k views
Which of the following is a perfect square trinomial? A. x + 10x + 20 B.x?+ 10x + 50 C.x + 10x + 25 D.x? + 5x + 10
answered Jan 17, 2021
3 votes
12.2k views
Can you reduce 47/2942​
answered Oct 4, 2020
2 votes
40.7k views
what is one reason that thomas piane brings up the opposing argument that the colonies have done well under brtitish control
answered Aug 30, 2020
2 votes
91.1k views
Selena is graphing the inequality x <-2 She begins by drawing a number line and placing an open circle at –2. What’s Selena’s next step?
answered Jul 16, 2020
2 votes
72.2k views
What are sound waves gathered by
answered Mar 31, 2020
4 votes
225k views
10. Which condition would be a least likely indication for using an AED? a. Absence of a pulse b. Obstructed airway c. No evidence of the chest rising and falling d. Lack of responsiveness
answered Mar 7, 2020
3 votes
6.2k views
What does measurement mean
answered Jan 2, 2020
4 votes
141k views
Find the number of real number solutions for the equation. x^2+0x-1=0
answered Oct 8, 2019
1 vote
40.1k views
Why should the government be able to take somebody's property without his or her consent? Give some examples of what you would view as legitimate uses of eminent domain.
answered Jan 9, 2019
1 vote
28.6k views
This song was used by both sides in the Revolutionary War to make fun of the other side. A. Pop Goes the Weasel B. Here We Go Round the Mulberry Bush C. Ring Around the Rosie D. Yankee Doodle Ethan Allen's
answered Dec 29, 2018
4 votes
110k views
Find the area of the shaded part. Rectangle CDEF has an area of 24^2.
answered Sep 13, 2018
2 votes
83.8k views
A survey of physicians in 1979 found that some doctors give a placebo to patients who complain of pain for which the physician can find no cause. If the patients' pain improves, these doctors conclude
answered Jul 19, 2018
4 votes
19.5k views
The leading cause of death for middle adulthood is
answered Apr 11, 2018
4 votes
153k views
Hen preparing a specimen for observation with a compound microscope, it is important that the specimen is _____________.
answered Mar 20, 2018
3 votes
53.0k views
Fter a radioactive atom decays, it is the same element that it was before with no measurable change in mass. Which kind of decay has occurred, and how do you know?
answered Oct 9, 2017
0 votes
29.7k views
A cafe only sells two types of sandwiches, turkey and steak. The cafe charges $4 for turkey sandwiches and $6 for steak sandwiches. Last month, the cafe sold $4524 worth of sandwiches. The cafe sold a
answered Jul 20, 2017
2 votes
108k views
What are two primary sources of energy that power living systems?
answered Jul 16, 2017
2 votes
46.4k views
Which numbers are a distance of 4 units from 7 on the number line
answered Mar 14, 2017
3 votes
287 views
Which one is not equal to the rest 12 yards 144 inches 36 feet
answered Jan 1, 2017
4 votes
195k views
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