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Xelga [282]
3 years ago
12

Imagine that a traffic intersection has a stop light that repeatedly cycles through the normal sequence of traffic signals (gree

n light, yellow light, and red light). In each cycle the stop light is green for 25 s, yellow for 5 s, and red for 35 s. Assume that cars arrive at the intersection uniformly, which means that in any one interval of time, approximately the same number of cars arrive at the intersection at any other time interval of equal length.
Determine the probability that a car arrives at the intersection while the stop light is yellow. Give your answer as a percentage precise to two decimal places.
Mathematics
1 answer:
joja [24]3 years ago
8 0

Answer:I need help on my question

Step-by-step explanation:

Please

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Ricardo bought 3 pounds of red grapes, 4 pounds of green grapes, and 1 pound of black grapes. What is the ratio of green grapes
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Step-by-step explanation:

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Read 2 more answers
Which graph represents the function of f(x) 9x^2 -36 / 3x + 6
Finger [1]

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

f(x)=\frac{9x^{2}-36}{3x+6}

Remember that the denominator cannot be equal to zero

so

The value of x cannot be equal to x=-2

<em>Simplify the numerator</em>

9x^{2}-36=(3x+6)(3x-6) ----> by difference of squares

substitute

f(x)=\frac{(3x+6)(3x-6)}{3x+6}

simplify

f(x)=3x-6

The domain is all real numbers except the value of x=-2

The y-intercept is the point (0,-6) ---> value of y when the value of x is equal to zero)

The x-intercept is the point (2,0) ---> value of x when the value of y is equal to zero)

therefore

The graph in the attached figure

7 0
3 years ago
A:4x+4=108<br>B:4x+4=90<br>C:108+4×+4=180<br>D:180=90+4×+4<br>E:×+108=108​
Citrus2011 [14]

Answer:

C:108+4x+4=180

Step-by-step explanation:

The angles are supplementary so they sum up to 180

3 0
3 years ago
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