Math
if kelly gave 1/3 of a pizza to holly and 1/5 to diane how much did she have left
calculus
Find an equation of the tangent line to the curve at the given point. y^2=x^3 (2-x) (1,1)
Physics
A man seeking to set a world record wants to tow a 122000-kg airplane along a runway by pulling horizontally on a cable attached to the airplane. The mass of the man is 95 kg, and the coefficient of static friction between his shoes and the runway is 0.74. What is the greatest...
Physics
A rescue helicopter is lifting a man (weight = 797 N) from a capsized boat by means of a cable and harness. (a) What is the tension in the cable when the man is given an initial upward acceleration of 0.711 m/s2? (b) What is the tension during the remainder of the rescue when ...
Physics
A stuntman is being pulled along a rough road at a constant velocity by a cable attached to a moving truck. The cable is parallel to the ground. The mass of the stuntman is 110 kg, and the coefficient of kinetic friction between the road and him is 0.825. Find the tension in t...
Chemistry
I figured it out. Nevermind.
Chemistry
For the reaction: 2HCl + Na2CO3→ 2NaCl + H2O + CO2 how much CO2 is produced at STP if 18.5 L of 1.15 M Na2CO3is used? The molar mass of Na2CO3is 106.01 g/mol. I know I have to use stoichiometry and possibly PV=nRT but I don't know what to use first. Do I start with 1...
ethical/unethical
unethical because one's body is used for experimentation oppose to being used for medical reason- does not value the person as in human being that once lived
ethical/unethical
Is it ethical/unethical to use human cadavers to test out weapons and used them as crash test dummies?
stats
yes I used it against the alpha level .05 of the z score +/- 1.96 so I reject because it is less than stating that those who consumed salty foods didn't have an significant impact on whether the intake of salt affects weight
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