12/18/19

Math questions school
My number is a double digit number it is even greater than 75 less than 78 what's my number
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12/18/19

Math questions school
My number is odd it's double digit it's between 20 and 30 it's got a 3 in one of the places what's my number
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12/18/19

What is an equation in point slope form of the line that passes through point (6,-2) and has a slope of 3 ?
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12/18/19

write an equation of the line that passes through (-4, 4) and is perpendicular to the line y=1/2x + 1
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12/18/19

physics question
Two photons are both travelling through empty space. One has a wavelength of 500 nm and theother has a wavelength of 1000 nm. Which of the following is true? Select all that apply. A.  The 500 nm... more
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12/18/19

Physics question
Which of the following describes how the energy levels in an atom are typically spaced?A. The spacing between energy levels gets smaller at the higher levels, with the gap between the lowest... more
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12/18/19

Physics question
Which of the following describes the difference between red visible photons and blue visible photons?A Blue photons carry more energy and move faster than red photonsB. Blue photons carry less... more
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12/18/19

An 1460 kg car passes over a bump in a road that follows the arc of a circle of radius 35.6 m. The acceleration of gravity is 9.8 m/s 2 .
1.What force does the road exert on the car as the car passes the highest point of the bump if the car travels at 14.1 m/s? Answer in units of N.2.What is the maximum speed the car can have as it... more
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12/18/19

Physics question
Which of the following describes what happens in an atom when a photon is absorbed? o A proton jumps from a higher energy level to a lower energy levelA. An electron jumps from a higher energy... more
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12/18/19

Voltage question
If you are designing a transformer for a cell phone charging cable and need to step down the voltage from the primary coil to the secondary by half, which coil should have more turns?A. The primary... more
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12/18/19

Symbol runs for laps around the track in six minutes how many minutes per lap is that
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12/18/19

the total bill including 15% tip was $120.75. How much was the original bill not including tip?
I have to show my work, how do i do that?
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12/18/19

Write an equation in point-slope form of the line that passes through the point (3,−8) and has a slope of 7. The equation is y− __ = __(x− __).
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12/18/19

What is parallel to y=-3x+1 through (4,-1)
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12/18/19

if y varies directly with x and the constant of variation is -5 what equation would represent this relationship
i am taking algebra 1 and i dont understand the answer to this problem
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12/18/19

If you drop a rock from rest and it travels for 3.3 s, how far does it fall?

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12/18/19

Work and Energy and Circular motion.
A stone swings on a horizontal circle at the end of a string 2.0 m long. The period of the motion is 1.2 s. How much work does the tension in the string do on the stone in .40 s? I am having much... more
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12/18/19

physics gravitational force
Satellite A of mass m orbits a planet of mass M at a distance of R from the center of the planet. The speed of the satellite is v. (a) What is the speed of a satellite B whose mass is 3 m? The... more
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12/18/19

Mathematical proficiency

Write an equation of the line passing through point P that is perpendicular to the given line.P(3,1), y=1/3x−5
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12/17/19

Physics Force and Motion
The mass of a bullet is .300 kg. The bullet leaves the barrel of a gun with a speed of 650 m/s. Suppose that a constant force is applied on the bullet during the 3.0 x 10–3 s that the bullet... more
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12/17/19

Physics kinetics circular motion
The spring has a constant of 150Nm. If a block of mass 2kg is placed on the spring and the spring is compressed by .45m, how much elastic potential energy does the spring hold? And how fast will... more
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12/17/19

Consider the equation 3x+10=2x+10. Does this equation have one solution, infinitely many solutions, or no solutions? Explain your answer.
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12/17/19

cant find the value of x from a equation.
how can i find the value of x??
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12/17/19

if f(x)=xsquared -4x+3, and the domain is {-2,0,1},what is the range

read the problem and help me please thanks
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12/17/19

A proton is travelling at a speed of 4 x 105 m/s moves into a series of charged parallel plates as shown below.

I have the first part of question the answer is 6.7*10^5 m/s The plates were 0v -1000v and -1500vPart 2) b.... more
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