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lord [1]
3 years ago
12

• A research scientist measures the outside temperature, in degrees Fahrenheit, at various

Mathematics
1 answer:
polet [3.4K]3 years ago
5 0

Answer:

{t|60 <= t <= 85}

Step-by-step explanation:

The temperatures were measures at different times, but does not stop the values being real numbers (i.e. not discrete, or integer values).

So the range of the function is the set of all values between the minimum and maximum measured during the measuring interval (domain) of hours two and twenty-two.

The minimum value = 60F

The maximum value = 85F

So the interval of the range is [60,85], in interval notation.

In set-builder notation, it is

{t|60 <= t <= 85}

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Which equation is true when x=-18
posledela

e^x=18

ex = 18 e x = 18 Take the natural logarithm of both sides of the equation to remove the variable from the exponent. ln(ex) = ln(18) ln (e x) = ln (18)

4 0
2 years ago
In 1990 the population of boston Massachusetts was 574,283.in 2000,the pipulation was 589141.what is the percent of change in po
AnnyKZ [126]

Answer:

<em>The percent of change in population was 2.58%</em>

Step-by-step explanation:

<u>Percentage calculations</u>

The percent of change of some quantity is the relation between the difference of its values with respect to the original value. That is, if something had a value of V_o and then it had a value of V_f, the change is V_f-V_o, the ratio of change is

\displaystyle \frac{V_f-V_o}{V_o}=\frac{V_f}{V_o}-1

And the percent of change is

\displaystyle 100\left (\frac{V_f}{V_o}-1 \right )

If this number is positive, the change was an increase. If is negative it was a decrease

The population of Boston Massachusetts was 574,283 and changed to \displaystyle 100\left (\frac{589,141}{574,283}-1 \right ).

The percent of change is

100(1.0258-1)=2.58\%

The percent of change in population was 2.58%

7 0
4 years ago
According to 2017 Belgium Labor data information: Adult Population in 2017= 4500, Number of employed in 2017= 2800, and Number o
maks197457 [2]

The labor-force participation rate of Belgium in 2017 was 77.78%

1.

Given:

Adult population = 4500

Number of employed in 2017 = <em>2800</em>

Number of Unemployed in 2017 = 700

Labor force participation rate = (employed + unemployed) / total population × 100

= (2800 + 700) / 4,500 × 100

= 3,500 / 4500 × 100

= 0.777777777777777 × 100

= 77.77777777777777%

Approximately, 77.78%

2.

Given:

Adult Population in 2016 = 3500

Number of employed in 2016 = 1800

Number of Unemployed in 2016= 600

Unemployment rate = unemployed population/ total labor force × 100

= 600 / 3,500 × 100

= 0.171428571428571 × 100

= 17.14285714285714%

Approximately,

17.14 %

Therefore, the unemployment rate of Japan in 2016 was 17.14%

Learn more about unemployment rate:

brainly.com/question/13280244

5 0
3 years ago
which ratio of dimensions of a circle equals pi a. circumference to radius b.circumference to diameter c. areato radius d. area
Nutka1998 [239]
The constant pi is by definition the ratio of the circumference to the diameter.

π=C/d
3 0
3 years ago
Which table shows a proportional relationship between x and y?
Alexxandr [17]
Your answer is correct.
7 0
4 years ago
Read 2 more answers
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