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bonufazy [111]
3 years ago
9

Identify the x-intercept point(s) of the parabola.

Mathematics
1 answer:
amid [387]3 years ago
3 0

Answer:

D

Step-by-step explanation:

First of all, there are 2 different points. That lets out B.

The graph crosses the x axis at 3 and -1 Those two are x values. That lets out C and A.

So all you are left with is D. The y values have to be 0. The x values are 3 and - 1

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Anfernee bought 4 umbrellas and 2 hats and spent between $40 and $60. Each umbrella costs the same amount. Each hat costs the sa
Alisiya [41]
8+8=16
40-16=24
24/4=6
the least amount that could have been spent on an umbrella is $6
60-16=44
44/4=11
the most amount that could have been spent on an umbrella is $11 


7 0
3 years ago
Traffic flow is traditionally modeled as a Poisson distribution.A traffic engineer monitors the traffic flowing through an inter
babymother [125]

Answer:

There is a 6.07% probability that during next 2 min exactly 5 cars passing an intersection are from state.

Step-by-step explanation:

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given time interval.

In this problem, we have that:

A traffic engineer monitors the traffic flowing through an intersection with an average of 6 cars per minute. So in 2 minutes, 12 cars are expected to flow through the intersection.

If 75% of vehiclesare from state, what is the probability that during next 2 min exactly 5 cars passing an intersection are from state?

We want to know how many of these cars are from state. In 2 minutes, 0.75*12 = 9 cars from the state are expected to pass the intersection, so \mu = 9.

We want to find P(X = 2).

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

P(X = 5) = \frac{e^{-9}*9^{5}}{(5)!} = 0.0607

There is a 6.07% probability that during next 2 min exactly 5 cars passing an intersection are from state.

7 0
3 years ago
4/5 - 2/7 find difference
Daniel [21]
The difference is 18/35

hope this is what u r looking for
8 0
3 years ago
Read 2 more answers
Solve for w. 7(-2w + 3) = 1 - 4w <br>what is the value of w? ​
blondinia [14]

Answer:

w=2

Step-by-step explanation:

-14w + 21 = 1 - 4w

-10w + 21 = 1

-10w = -20

w = -20/-10

w=2

5 0
3 years ago
Read 2 more answers
Chelsea drew two parallel lines KL and MN intersected by a transversal PQ, as shown below:
Ilia_Sergeevich [38]

Answer:

The correct answer choice would be:

C (Same-Side Interior Angles Theorem)

Hope this helps! :)

5 0
3 years ago
Read 2 more answers
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