Questions in Grade High-school

Questions in Grade High-school

[Free] Why does an enzyme not work as well if its active site is changed?

[Free] Sally can paint a room in 7 hours while it takes Steve 6 hours to paint the same room. How long would it take them to paint the room if they worked together?

[Free] How do you write 213.08 in words?

[Free] Solve the system of equations: 1. \(3x + y + z = 4\) 2. \(2x + 2y + 3z = 3\) 3. \(x + 3y + 2z = 5\)

[Free] Determine the amount of potential energy of a 5-newton book that is moved to three different shelves on a bookcase. The height of each shelf is 1.0 meter, 1.5 meters, and 2.0 meters.

[Free] Elena twisted a strand of hair around her fingers.

[Free] A Midwestern music competition awarded 38 ribbons. - The number of blue ribbons awarded was 3 less than the number of white ribbons. - The number of red ribbons was 2 more than the number of white ribbons. How many of each kind of ribbon was awarded? - How many white ribbons were awarded? - How many blue ribbons were awarded? - How many red ribbons were awarded?

[Free] A horizontal force of 90.0 N is required to push a 75 kg object along a horizontal surface at a constant speed. What is the magnitude of the force of friction? Please show your work.

[Free] 95 is 95 percent of what number?

[Free] What is a rate that has a denominator of 1 unit called?