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Leokris [45]
3 years ago
14

CAN SOMEONE PLEASE HELP ME WITH THIS QUESTION???

Mathematics
1 answer:
tangare [24]3 years ago
8 0

Answer:

The complete answer is explained below.

Step-by-step explanation:

The problem is demanding to simply determine the number of years each color light would last.

We know the following information from the question:

  • As it is clear that a red light remains TURNED ON 50% of the time.
  • Green remains TURNED ON 42% of the time
  • Yellow remains TURNED ON 8% of the time.

Also the bulbs for each color are LED and are designed to last 100,000 hours. So, each light does last 100,000 hours.

lets make conversions

As

1\:day\:=\:24\:hours  

1\:year\:=\:365\:days

Dividing 100,000 hours by 24 hours would bring 4166.67 days

Dividing 4166.67 days by 365 days would bring 11.4 years, meaning 11 years and 4 months.

Keywords: light, conversion, day, hours

Learn more about conversions from brainly.com/question/402716

#learnwithBrainly

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If the coefficient of determination for a data set is 0.25 and the SSE for the data set is 6, what is the SST for the data set ?
Cerrena [4.2K]

Answer: The SST for the data set is 8.

Step-by-step explanation:

Since we have given that

Coefficient of determination (R²) = 0.25

SSE for the data = 6

SST = ?

As we know the formula for coefficient of determination:

R^2=1-\dfrac{SSE}{SST}\\\\0.25=1-\dfrac{6}{SST}\\\\0.25-1=-\dfrac{6}{SST}\\\\-0.75=-\dfrac{6}{SST}\\\\SST=\dfrac{6}{0.75}\\\\SST=8

Hence, the SST for the data set is 8.

7 0
4 years ago
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Does any know the square root of 57?
den301095 [7]
7.54 is the square root of 57.
4 0
3 years ago
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When the lights go out at the store at night there's a 15% off sign hanging out by the make up counter what is a number as a dec
Tema [17]

Answer:

As per the given statement: when the lights go out at the store at night there's a 15% off sign hanging out by the make up counter.

To find the number as a decimal and a fraction in simplest form.

Given the Number = 15%.

If we convert any number from percent to decimal divide by 100 and remove the % sign.

\frac{15}{100} = 0.15

Then the given number in decimal is, 0.15

Now, to convert this percent into fraction;

\frac{15}{100}

Divide both numerator and denominator by 5 to get;

\frac{\frac{15}{5} }{\frac{100}{5} } = \frac{3}{20}

Therefore, the given number in fraction is; \frac{3}{20}



8 0
3 years ago
Use the point-slope formula to write an equation of the line that passes through (6,23) and has a slope of m= 3. Write the answe
RSB [31]

y=3x+5

plug your coordinate points into the equation for slope (left corner or the paper)

multiply by the denominator on both sides of the equation

x-6 cancels out and leaves y-23=3(x-6)

multiply x and -6 by 3

add 23 to both sides to isolate y

hope this helps!

4 0
3 years ago
Amir can run 15 kilometers in one hour. How many kilometers can he run per minute.
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He can run 4 kilometers per minute.


Reasoning is because taking how many minutes are in an hour which is 60 and then you divided that by 15 the amount he was able to run in one hour.
7 0
4 years ago
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