Thursday
December 5, 2013

# Posts by randy

Total # Posts: 335

ALGEBRA
Consider the following expression. $$x + 2 y - 2 z$$ - (x - 2 y + 2 z) (a) Simplify the expression.

ALGEBRA
Solve the system. $\left\{ \begin{tabular}{l}$ y = x + {\color{red}-3} $\\$ y = -{\color{red}2} x + {\color{red}9} $\end{tabular} \right.$ x = y =

ALGEBRA
Solve the equations by finding the exact solution. (a) (1)/(3) x - 1 = 1 x = (b) (1)/(3) log$$x$$ - log$$10$$ = 1

ALGEBRA
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.5 multiplied by 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.) M =

ALGEBRA
If possible, completely factor the expression. (If the polynomial is not factorable using integers, enter PRIME.) x^2+9 x+20

ALGEBRA
Graph the following first-degree inequality in two unknowns. $$y > {\color{red}2} x - {\color{red}2}$$

ALGEBRA
Find the functional values requested in the problem. h(x)=3 x-1 (a) h(0) = (b) h(-7) =

ALGEBRA
Solve the exponential equation. Give the exact value for x. (Express all logarithmic functions in terms of ln(x) in your answer.) text((a) ) e^x = 10 x = text((b) ) e^x = 2.0 x = text((c) ) e^x = 37.9 x =

ALGEBRA
Graph the equation. x = -6

ALGEBRA
(log$$A$$)/(log$$B$$) = (ln$$A$$)/(ln$$B$$) (log_b$$A$$)/(log_b$$B$$)=log_b$$(A)/(B)$$ text(In )log_b$$N$$, text( the exponent is )N. text(If ) log_1.5$$8$$=x, text( then ) x**(1.5) =8. log$$500$$ text( is the exponent on ) 10 text( that gives ) 500.

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