Math
Gina cut a piece of ribbon into 3 equal pieces. Then she cut off 2 inches off one piece to make it 3 inches. How long was the original piece of ribbon?
Algebra
LCD of x/x2+3x , 2x/x2-3x
Physics
Vf=Vi+at Vf=20 m/s+ 7m/s^2*3s Vf=41 m/s
Physics
Three point charges are on the x axis: −6 µC at −3 m, 7 µC at the origin, and −5 µC at 3 m. Find the force on the first charge. The value of the Coulomb constant is 8.98755 × 10^9 N · m^2/C^2.
physics
A point charge of +1 µC is located at x = −2 cm and a second point charge of −8 µC is located at x = 6 cm. Where should a third charge of +1 µC be placed so that the electric field at x = 0 cm is zero?
social studies
General Grant's army came closest to defeat in the West as a result of a surprise Confederate attack at the Battle of A. Fort Henry. B. Shiloh. C. Vicksburg. D. Manassas
physics
the muzzle velocity of a 50.0g shell leaving a 3.00kg rifle is 400 m/s what is the recoil velocity of the rifle
statistics
Scores on the ACT college entrance exam are Normally distributed with a mean µ = 20 and standard deviation σ = 5. An SRS of 25 ACT scores is selected, construct a 95% Confidence Interval for the sample mean (X-Bar) and interpret your result.
physics
A solid sphere of radius 23 cm is positioned at the top of an incline that makes 23 degree angle with the horizontal. This initial position of the sphere is a vertical distance 3 m above its position when at the bottom of the incline. The sphere is released and moves down the ...
physics
A cylindrical 7.25 kg pulley with a radius of 0.864 m is used to lower a 7.13 kg bucket into a well. The bucket starts from rest and falls for 4.51 s. What is the linear acceleration of the falling bucket? The acceleration of gravity is 9.81 m/s^2.
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