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2 years ago

Y=11(9^x) +3 what is the y-intercept if any?

Mathematics

2 answers:

JulsSmile [24]2 years ago

7 0

$y=11(9^0)+3\\
y=11\cdot1+3\\
y=14$

The y-intercept is $(0,14)$

frutty [35]2 years ago

7 0

The y-intercept is when the y-coordinate is at 0 or when x=0
so set x to 0

y=11(9^x)+3
anything to the 0 power=1 so
y=11(1)+3
y=11+3
y=14

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Helga [31]

The correct answer is 2/5

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3 years ago

A student comes to lecture at a time that is uniformly distributed between 5:09 and 5:14. Independently of the student, the prof

scZoUnD [109]

Answer:

1/2

Step-by-step explanation:

The lecture has already begun when the student arrives means one of these scenarios happen:

1) the class started at 5:10 and the student arrives at 5:11 or 5:12 or 5:13 or 5:14

2) the class started at 5:11 and the student arrives at 5:12 or 5:13 or 5:14

3) the class started at 5:12 and the student arrives at 5:13 or 5:14

Given student time of arrival is uniformly distributed, then the probability he/she arrives at 5:09 or 5:10 or 5:11 or 5:12 or 5:13 or 5:14 is 1/6.

So, the probability that the student arrives between 5:11 and 5:14 is 1/6 + 1/6 + 1/6 + 1/6 = 2/3.

The probability that the student arrives between 5:12 and 5:14 is 1/6 + 1/6 + 1/6 = 1/2.

The probability that the student arrives at 5:13 or 5:14 is 1/6 + 1/6 = 1/3.

Given class starting time is uniformly distributed, then the probability it starts at 5:10 or 5:11 or 5:12 is 1/3.

Given the two events are independent, the probability of the first scenario is: (1/3)*(2/3) = 2/9

For the second scenario: (1/3)*(1/2) = 1/6

For the third scenario: (1/3)*(1/3) = 1/9

Because all of these scenarios are mutually exclusive the total probability of one of them happen is: 2/9 + 1/6 + 1/9 = 1/2

3 0

2 years ago

Which is the graph of f(x) = x2 – 2x + 3?

BaLLatris [955]

Answer:

Step-by-step explanation:

We cannot factor this function out which tells us that there are no zeros. The graph backs this up because we can see that there are none. The easiest way to graph this would start by plugging in points and making a table for yourself.

Lets start by plugging in -1.

(-1)^2-2(-1)+3 =6, this means we have a point at (-1,6).

Now lets plug in 0.

(0)^2-2(0)+3= 3 (0,3)

For plugging in 1

(1)^2-2(1)+3=2 (1,2) (this happens to be the vertex)

And lastly lets plug in 2

(2)^2-2(2)+3=3 (2,3)

Depending on how many points are needed, keep plugging in numbers like we did above.

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2 years ago

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Scorpion4ik [409]

Answer:

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Step-by-step explanation:

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Each class at Greenville school has 22 children enrolled.the school has 24 classes how many children are enrolled at Greenville

Afina-wow [57]

Answer:

528

Step-by-step explanation:

because each class has 22 students and there are 24 classes you multiply them

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2 years ago

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