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Ray Of Light [21]
3 years ago
10

alt="f(x) = \sqrt{x \:} " align="absmiddle" class="latex-formula">
g(x) =  \frac{x - 5}{2x + 1}
what is the domain and range of fg.​
Mathematics
1 answer:
cluponka [151]3 years ago
3 0
(-∞, -1/2) not for sure if that’s right
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A standard chemistry examination administered nationally by the American Chemical Society has a mean of 500 and a standard devia
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Let X be a random sample representing the score of a student in the American Chemical Society Examination.
P(450 < x < 500) = P((450 - 500)/(90/sqrt(25)) < z < (500 - 500)/(90/sqrt(25))) = P(-2.778 < z < 0) = P(z < 0) - P(z < -2.778) = P(z < 0) - [1 - P(z < 2.778)] = P(z < 0) + P(z < 2.778) - 1 = 0.5 + 0.99727 - 1 = 0.49727 = 49.7%
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4 years ago
Write a verbal description for each algebraic expression 100-5n
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One hundred minus five n

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4 years ago
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Answer:

Step-by-step explanation:

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3 years ago
Solving the linear equations variable on one side
Brums [2.3K]

The pick up fee is $2.50.

After each mile, $1.95 is added.

That is, after the first mile, we have;

\begin{gathered} \text{Fe}e=\text{ 2.50 + 1.95(1)} \\ \text{After the second mile, we have;} \\ Fee=\text{ 2.50+1.95(2)} \end{gathered}

Isaac total charge = $27.46;

Generally, let the number of miles driven by the taxi be x, then we have;

1.95x+2.50=27.46

Solving for the number of miles Isaac travelled, we have;

\begin{gathered} 1.95x=27.46-2.50 \\ 1.95x=24.96 \\ x=\frac{24.96}{1.95} \\ x=12.8\text{miles} \end{gathered}

CORRECT OPTION:

1.95x+2.50=27.46;\text{ Isaac traveled 12.8 miles.}

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2 years ago
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3 years ago
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