Questions in Grade High-school

Questions in Grade High-school

[Free] The diagonals of a kite are in the ratio 3:2. The area of the kite is 27 cm². Find the length of both diagonals.

[Free] The perimeter of a regular nonagon is 18 inches. Is that enough information to find the area? If so, find the area and explain your steps. If not, explain why not.

[Free] What is the least common denominator (LCD) of \(x-3\), \(x+3\), and [tex]x^2-9[/tex]?

[Free] What is the answer to \(\frac{w}{7} = 0.3\)?

[Free] A broken clock is set correctly at 12:00 noon. However, it registers only 20 minutes for each hour. In how many hours will it again register the correct time?

[Free] Successive discounts of 20% and 12% are equivalent to a single discount of what percentage?

[Free] An ambulance is traveling east at 51.6 m/s. Behind it, there is a car traveling in the same direction at 32.3 m/s. The ambulance driver hears his siren at a frequency of 615 Hz. - 32.3 m/s Car - 51.6 m/s Ambulance What is the wavelength of the sound of the ambulance’s siren if you are standing at the position of the car? The velocity of sound in air is 343 m/s. Answer in units of meters.

[Free] A child sits two meters from the center of a merry-go-round. How far does she travel during one revolution?

[Free] Determine the acceleration of a 34.0 kg block along a frictionless inclined plane at a 35° slope.

[Free] A principal of $1700 is invested at 8.2% simple interest, paid annually, for 7 years. What is the rate of return?