Solve the equation by first clearing the decimals.-0.2(60) + 0.5x = 0.2(60 + x)
A. {70}
B. {80}
C. {90}
D. {40}
Answer: B
Mathematics
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Graph the point.
A. 
B. 
Mathematics
How many words are memorized in 15 minutes? (Round answer to the nearest whole number.)
In a certain memory experiment, the rate of memorizing is given by:
where M (t ) is the number of Spanish words memorized in t minutes. The subject has no Spanish words memorized at the beginning of the experiment.
Mathematics
Simplify.
A. - 
B. - 
C. - 
D. - 
Mathematics
Determine the domain and the range of the function.f(x) = x2 + 10x
A. domain: all real numbers range: {y|y ? 25} B. domain: {x|x ? 5} range: {y|y ? 25} C. domain: {x|x ? -5} range: {y|y ? -25} D. domain: all real numbers range: {y|y ? -25}
Mathematics