06/19/22

General Chemistry 2
Suppose you are studying an unknown solution based on its precipitation reactions with other solutions, resulting in this data table. Na2SO4 NaCl Na2CO3. ... more
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06/19/22

General Chemistry 2
What occurs when aqueous lithium hydroxide, LiOH, reacts with aqueous magnesium chloride, MgCl2?Answers: MgCl2 forms as a precipitate.Mg(OH)2 forms as a precipitate.LiOHforms as a precipitate.No... more
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06/15/22

Physics Optics Help
An object that is 45cm away from a lens has a magnification of 2.5.What is the focal distance of this lens? Is the image created real or virtual and how do you know?
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05/14/22

rotational motion
 Suppose you start an antique car by exerting a force of 290 N on its crank for 0.13 s.f = 290 Nt = 0.13 sd = 0.38 mWhat angular momentum is given to the engine if the handle of the crank is 0.38 m... more
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05/12/22

for an arithmetic sequence is 1a= 21. is the recursive formula is an=an-1+1. which expensive formula can be used to find the nth term in the sequence
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03/18/22

A neutral conducting spherical shell has inner and outer radii r1 = 8 cm and r2 = 10 cm. A charge q = 6.1 µC is placed at the center of the sphere.
A neutral conducting spherical shell has inner and outer radii r1 = 8 cm and r2 = 10 cm. A charge q = 6.1 µC is placed at the center of the sphere. What is the charge density of the inner surface... more
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03/18/22

A charge of 4.5 µC is at the origin of a coordinate system. What is the electric field at the point (3 cm, 2 cm)? Give each component of the electric field.
A charge of 4.5 µC is at the origin of a coordinate system. What is the electric field at the point (3 cm, 2 cm)? Give each component of the electric field.
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03/18/22

SOMEBODY PLEASE HELP ME WITH THE TWO WAY TABLES FOR GEOMETRY!! I NEED HELP VERY SOON PLEASE
Studied less than two hours(L) Studied more than two hours(M) total Studied independantly (G) 12 4 16 Studied with a group(G) 8 11 19 total 20 15 35    a) What is the probability that a... more
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01/15/22

In the diagram below, •WXZ is a right angle. If m•WXV is eleven more than three times m•WXY and m•YXV = 139°, find m•YXZ.
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01/14/22

How much time to evade a falling object? Free-fall word problem
A woman accidentally drops a flowerpot from the rooftop of a 25-meter building. A 1.5 meters tall man walking notices the falling flowerpot above him at about 4 meters above the ground. How much... more
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01/14/22

What is the solution to get the acceleration of the lion in order to run the same distance as its prey?
A lion is trying to catch an antelope. The antelope runs for 12.0s at a constant velocity of 36.0m/s. Starting from rest, what constant acceleration must the lion maintain in order to run the same... more
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01/09/22

List all the possible rational zeros of p(x) = 3x^3 - 3x^2 + 4x - 12
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01/09/22

Complete the equation of the line through (-8,8) and (1,-10).
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01/09/22

Simple work and force physics question (highschool level)
Question 17:A 20.0 kg wagon is pulled with a force of 40.0 N by its handleat an angle of 30 degrees to the horizontal against a force offriction of 20.0 N.a) Determine the net force in the... more
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01/09/22

Simple physics power and work question (highschool level)
Question 19:A 50.0 kg student runs up three flight of stairs at constant velocity, a vertical distance of 10.0 m. The first time it takes her 9.81 s. The second time it takes her 19.62 s. What was... more
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01/08/22

Work question (physics)
Question 18:A girl pushes a 20.0 kg box, initially at rest, up a frictionless10.0m long ramp inclined 30.0° above the horizontal. If thefinal velocity of the box at the top of the ramp is 1.00... more
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01/08/22

State the possible number of imaginary zeros of f(x) = 2x^3 - 4x^2 + 8x - 3.
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01/08/22

PLEASE LET ME KNOW IS IT A OR B
On a coordinate grid PQ , has the endpoints -P(-2, -11) ans Q(13,4) What is the location of a point R on PQ that is two-fifths of the way from P to Q?A, 16/7, -47/7B, 4, -5C, 7, -2D, 61/7, -2/7
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01/08/22

PL ANSWER THIS, IS IT A
Janis is constructing a line perpendicular to line p. First she places the compass on point J and draws an arc through line p that goes through two points. Janis labels the two points M and... more
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01/08/22

write the quadratic equation whose roots are 3 and -5, and whose leading coefficient is 4.
(Use the letter x to represent the variable) --=0If someone could show me how to do it, I would appreciate it because I can probably learn better like this and so I can do it on my own next time.
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01/08/22

Incline Problem (Physics)
1. A diver who has a mass of 70.0 kg stands on a 10.0-meter diving platform.a) Potential Energy of the diverb) Potential energy of the diver 4.00 m from the waterc) What is his kinetic energy 4.00... more
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01/08/22

let a (0,0), b(7,0), and c(7,5). point d is located so that angle acd is a right angle and the tangent of angle dac is 5/7. find coordinates for d.
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01/06/22

Investment problem
Joy invests a total of $10,500 in two accounts. The first account earned a rate of return of 5% (after a year). However, the second account suffered a 2% loss in the same time period. At the end of... more
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11/29/21

six times a number equals another while their sum is 28
what are the numbers im in math and completely forgot how to do this
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11/29/21

Determine the standard form of the equation of the line that passes through (-8,-6) (-4,9)
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