Solve the problem.Under standard conditions, molecules of a gas collide billions of times per second. If each molecule has diameter t, the average distance between collisions is given by where n, the volume density of the gas, is a constant. Find .

A.  = - 
B.  = 
C.  = 
D.  = - 


Answer: A

Mathematics

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Solve the problem.One-half serving of soy sauce contains 312 milligrams of sodium. How many grams of sodium from soy sauce are included in an egg-foo-young dish made from 4 servings of soy sauce? Round results to the nearest tenth of a gram.

A. 2.5 g B. 78.0 g C. 124.8 g D. 0.1 g

Mathematics

Evaluate the expression for the given values. Expression your answer as a fraction unless otherwise indicated.(x + 4y)2  x = 2, y = 3

A. 14 B. 196 C. 36 D. 28

Mathematics

Match the function to its graph.y = tan 

A.

B.

C.

D.

Mathematics

The bar graph below shows the number of students by major in the College of Arts and Sciences. Answer the question.What is the average number of students taking Science, English, and Math? Round your answer to the nearest whole student if necessary.

A. 188 students B. 317 students C. 250 students D. 850 students

Mathematics