Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.log10 2 + log10 5
A. log10 7
B. log10 10
C. 1
D. 1log10 10
Answer: C
Mathematics
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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. 
= - 
Mathematics
Reduce the fraction to simplest form.
A. - 
B. 
C. 
D. 
Mathematics
Translate the sentence to an equation. Do not solve.The quotient of 9 and y is 2.5.
A. 9 = 
B. 9 - y = 2.5
C. 
= 2.5
D. 
= 2.5
Mathematics
Solve the equation and check the solution.-8.8 + 3x - 6.9 + 4x - 2.8 = 5.6 + 8x + 1.4
A. x = -11.5 B. x = 25.5 C. x = 11.5 D. x = -25.5
Mathematics