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Posts by Redgy22

Total # Posts: 13

math, please double check me
. The state of Maryland has a healthy children goal for childhood obesity. In the next 5 years, the state has a goal of decreasing the obesity rate to 11.3%. The current population mean obesity rate is 15.6%. After two years of a pilot intervention program in Garrett County ...

MATH
The Virginia Department of Social Services collected information on 25 Virginia Supplemental Nutrition Assistance Program (SNAP, formerly Food Stamps) beneficiaries and found that their average monthly food expenditure was $160. The average monthly food expenditure for SNAP ...

Statistics
The Virginia Department of Social Services collected information on 25 Virginia Supplemental Nutrition Assistance Program (SNAP, formerly Food Stamps) beneficiaries and found that their average monthly food expenditure was $160. The average monthly food expenditure for SNAP ...

physics
29.5m/sec

phys
Heat Q flows spontaneously from a reservoir at 481 K into a reservoir at 298 K. Because of the spontaneous flow, 2760 J of energy is rendered unavailable for work when a Carnot engine operates between the reservoir at 298 K and a reservoir at 249 K. Find Q.

physics
Heat Q flows spontaneously from a reservoir at 481 K into a reservoir at 298 K. Because of the spontaneous flow, 2760 J of energy is rendered unavailable for work when a Carnot engine operates between the reservoir at 298 K and a reservoir at 249 K. Find Q.

physics
In an electrically heated home, the temperature of the ground in contact with a concrete basement wall is 13.0 oC. The temperature at the inside surface of the wall is 21.1 oC. The wall is 0.19 m thick and has an area of 8.3 m2. Assume that one kilowatt hour of electrical ...

Biology (cell-molec)
You wish to perform a restriction digest in a 20uL volume. Your DNA is 0.20 ug/uL and you wish to digest 1.0 ug. Your restriction enzyme is provided as 0.2 U/uL. Fill in the appropriate volumes: H2O, 10Xbuffer, DNA, and restriction enzyme. Please show work. I'm more ...

Physics
To create artificial gravity, the space station shown in the drawing is rotating at a rate of 1.60 rpm. The radii of the cylindrically shaped chambers have the ratio rA/rB = 3.00. Each chamber A simulates an acceleration due to gravity of 9.60 m/s2. Find values for (a) rA, (b...

physics
In a marathon race Chad is out in front, running due north at a speed of 3.87 m/s. John is 98 m behind him, running due north at a speed of 4.63 m/s. How long does it take for John to pass Chad?

physics
Nevermind, I got it. Thanks anyway. v=s/t t=s/v = 1.8m/1.7x10^-2m/s = 105.88seconds 105.88sec x 1min./60sec = 1.76 minutes

physics
Electrons move through a certain electrical circuit at an average speed of 1.7 x 10-2 m/s. How long (in minutes) does it take an electron to traverse a 1.8 -m light bulb filament coil?

Physics
A woman and her dog are out for a morning run to the river, which is located 4.56 km away. The woman runs at 3.27 m/s in a straight line. The dog is unleashed and runs back and forth at 5.23 m/s between his owner and the river, until she reaches the river. What is the total ...

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