01/13/21

need help with this
A blue ball is thrown upward with a velocity of 9 m/s upward from the top of a high cliff. At the same time, a red ball is dropped from the same spot. The red ball is observed to hit the ground... more
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01/13/21

Chemistry Properties of Gases hw help!!

1.List and explain any two properties of gases2.Do you think pressure and temperature are affected by each other? How? Justify your answer.
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01/13/21

the question is listed in the description below
Negative one times the sum of twice a number and 3 equals to two times the difference of -4 times the number and 3. what is the number? ( show work)
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01/13/21

Rational Expressions
A farmer with 1200m of fencing wants to enclose a rectangular area and then divide it into four pens with fencing parallel to one side of the rectangle. What is the largest possible total area of... more
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01/13/21

Quadratic Functions
A transit company carries about 80,000 riders per day for a fare of $1.25. To obtain more revenue, the management plans to increase the fare. It estimates that for every 5 cent increase in fare, it... more
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01/13/21

Rational Expressions
A truck loaded with ostriches is traveling 20km/h faster than a freight train carrying emus. In the time it takes the train to travel 160km, the truck travels 240km. Determine algebraically the... more
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01/13/21

Step By Step answers please

A person pushes a 50 kg crate 40 meters to the right with a horizontal force of 300 N. If the coefficient of staticfriction between the crate and the floor is 0.21. (a) How much work is done on the... more
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01/13/21

Find the point on the graph of the function that is closest to the given point.
f(x)= x-9, (16,0)
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01/13/21

I was able to get the velocity of the wedge but am not able to get the height. Can someone please explain how to get the height?
A small block of mass 56 g is released from rest at the top of a curved frictionless wedge of mass 277 g which sits on a frictionless horizontal surface as shown. The acceleration due to gravity is... more
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01/13/21

Geometry questions
Is either triangle RST or triangle XYZ similar to triangle ABC? ABC has sides 18,27, and 33. Triangle RST has sides 30,40, and 22. XYX has sides 36,24, 44.
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01/13/21

Algebra 1 slopes
what is the slope of the line that passes through the points (-8 3) and (-8 2)
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01/13/21

By the Remainder Theorem, what can be said about the polynomial function s(x) if s(−2)=5 ?
The remainder must be _______ when is divided by _______
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01/13/21

A singular green photon with a wavelength of 522

A singular green photon with a wavelength of 522 (from the previous problem) strikes a metal surface and an electron is ejected with an energy equal to 2.56×10−19, calculate the work function of... more
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01/13/21

Find the frequency (ν); the wavelength (λ); and the energy (E) of the FM-99 radio station 99 MHz.
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01/12/21

Help please elementary question math
Jasmine has about 24hrs to devote her project it must be done in three days how many hours will she need to devote to the project each day
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01/12/21

Math question elementary

I need to write a “ division sentence “ for 5 over 8 can anyone help
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01/12/21

I need help with this problem
Alfonso wants to purchase a pool membership for the summer. He has no more than y dollars to spend. The Aquatics Club charges an initial fee of 75 dollars plus 20 dollars per month. The Swimming... more
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01/12/21

A 202 kg bumper car moving right at 8.50 m/s collides with a 365 kg car at rest. Find the total momentum of the system
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01/12/21

Please help me with this
Solve the equation 10sin  θ=1 for a value of  θ in the first quadrant. Give your answer in radians and degrees. Round your answer in radians to five decimal places and in degrees to three decimal... more
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01/12/21

Is there a value of which satisfies the statement? How you can tell without finding, or attempting to find, the value.
Is there a value of which satisfies the statement? How you can tell without finding, or attempting to find, the value.(2x+9) = - (-2-10)1- Yes, because (2x+9) is always positive2- Yes, because... more
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01/12/21

Interpret the following absolute value as a distance on the number line.

Interpret the following absolute value as a distance on the number line. Evaluate if possible.If it is not possible to evaluate, enter NA.| -8-5 | is the distance between _______ and ________.|... more
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01/12/21

If (x,-2.3) is a solution to the equation 3x = 2y -11, what is the value of x

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01/12/21

How much work is required to move a 50n box 2meters

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01/12/21

Two perpendicular lines have the same x-intercept. An equation of one line is y=3x+1. Determine the equation of the other line.
(1 mark for identifying correct perpendicular slope, 1 mark for substituting correctly and solving for x-intercept, 1 mark for substituting shared point correctly into equation, 1 mark for finding... more
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01/12/21

5=1/2x+3y 10-x=6y
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