Answers edited by Jemuel C.
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How do you simplify #sec xcos (frac{\pi}{2}  x )#?

8.00 L of a gas is collected at 60.0°C. What will be its volume upon cooling to 30.0°C?

Question #0c8b4

How much of each type should a farmer mix to obtain 100 liters of fertilizer in a 12% solution if he has fertilizer in 5% and 15% solutions?

When a car moves uniformly from 42 km/h to68km/h in 30s. find distance travelled by the car?

Question #1ef1d

What is the mass of 1.5 moles of #CO_2#?

How much pure antifreeze should be added to 3 gallons of a 30 percent antifreeze solution to get 65 percent antifreeze?

How do I find the vertex of #f(x)=x^24x+3#?

Question #32ae2

Question #26480

What is the area of a equilateral triangle with a side of 12?