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laila [671]
3 years ago
11

The travel time for a plane traveling at a rate of r kilometers per hour for 290 kilometers

Mathematics
1 answer:
Lapatulllka [165]3 years ago
7 0
Time = distance / rate
time = 290 / rate

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5/13 as a decimal rounded to the nearest hundredth
motikmotik

Answer:

0.40

Step-by-step explanation:

5/13 = 0.38461538461. Hundreths place is the 2nd number after decimal so if you round 8 it'll be .40

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Roger Brown works for the sanitation department. He earns a salary of $721.00 biweekly. His boss gave him
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2249 dollars more

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52 weeks in one year so divide by 2 and then multiply by 721 and then take that amount and dubtract the new salary 20.995 and subtract the previous annual amount and then boom 2295 more

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The length of a rectangular is 7/10 ft .and the width is 1/5ft what is the perimeter
Blababa [14]
<h3>Answer:</h3>

\huge\boxed{1 \frac{4}{5}\ \text{ft}}

<h3>Explanation:</h3>

Change \frac{1}{5} so that is has a common denominator.  \frac{1*2}{5*2}=\frac{2}{10}

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Add.  \frac{14+4}{10}

Add.  \frac{18}{10}

Divide both sides by 2.  \frac{9}{5}

Convert to a mixed number.  1 \frac{4}{5}

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2 years ago
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A scuba diver was at a depth of 125 feet below sea level. He descends 205 more feet below sea level. What is the new depth of th
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Answer:

The new depth of the scuba diver is 330 feet below sea level.

Step-by-step explanation:

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3 years ago
If the composition of two functions is:
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9514 1404 393

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  x ≠ 3

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In any case, the domain is restricted to values of the variable for which the function is defined. The value 1/0 is not defined, so the variable cannot allow the denominator to be zero. The denominator x-3 will be zero for x=3, so that value of the variable cannot be in the domain.

The domain is all real numbers except x=3.

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<em>Additional comments</em>

It is useful to become familiar with the domains of different functions. As we saw above, the reciprocal of 0 is undefined. The square root of a negative number is undefined. The log of a non-positive number is undefined. Trig functions are defined everywhere, but their inverse functions are not. Polynomial functions are defined everywhere, but ratios of polynomials have the same restriction on denominators that we see above.

8 0
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