pre algerbra
how do you solve 45 min/2 mi=?h/1 mi
Math
Maria scored 10 and Reid scored 16 goals.
Math
Maria scored 10 and Reid scored 16 goals.
algebra
What is the measure of the length of a rectangle with a width of 3x + 4y + 1 and a perimeter of 24x + 18y + 32?
energy
What is the difference in energy for a photon of ultra-violet radiation, wavelength 319 nm and a photon of ultra-violet radiation, wavelength 238 nm.
Energy
for number 1 i got 1.62*10^-24 J and for number 2 i got 3.5*10^-29 m but i m not sure if they r right
Energy
1.Calculate the energy of a photon whose frequency is 2450 megahertz. What is the wavelength of waves transmitted by an AM radio station operating at a frequency of 840 kilohertz? 2.
physics
water moving in a horizontal pipe has a velocity of 9 m/s when the radius of the pipe os 0.025m. Determine the velocity of the water when it enters a wider section of the pipe and the radius is 0.075m.
physics
what did you do with the 0.5g/cm^3?
physics
a block off wood (density = 0.5 g/cm^3) is floating in oil (density = 0.75 g/cm^3). The mass of the wood is 1500 g. Determine the volume of the oil displaced
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