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2 years ago

Find the zeros of the function: f(x)=3x^2-5x+3

Mathematics

1 answer:

maks197457 [2]2 years ago

8 0

Answer:

x = 5 ± i √ 11 /6

Step-by-step explanation:

The roots (zeros) are the x values where the graph intersects the x-axis. To find the roots (zeros), replace y with 0 and solve for x .

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The random variable X is exponentially distributed, where X represents the waiting time to be seated at a restaurant during the

erastova [34]

Answer:

The probability that the wait time is greater than 14 minutes is 0.4786.

Step-by-step explanation:

The random variable X is defined as the waiting time to be seated at a restaurant during the evening.

The average waiting time is, β = 19 minutes.

The random variable X follows an Exponential distribution with parameter $\lambda=\frac{1}{\beta}=\frac{1}{19}$ .

The probability distribution function of X is:

$f(x)=\lambda e^{-\lambda x};\ x=0,1,2,3...$

Compute the value of the event (X > 14) as follows:

$P(X>14)=\int\limits^{\infty}_{14} {\lambda e^{-\lambda x}} \, dx=\lambda \int\limits^{\infty}_{14} {e^{-\lambda x}} \, dx\\=\lambda |\frac{e^{-\lambda x}}{-\lambda}|^{\infty}_{14}=e^{-\frac{1}{19} \times14}-0\\=0.4786$

Thus, the probability that the wait time is greater than 14 minutes is 0.4786.

7 0

2 years ago

What is the coefficient in the expression -5x + 8

Katen [24]

I really need points sorryyyyyyyy

5 0

3 years ago

Given the following measurements, calculate the minimum and maximum possible object. Round to the nearest square whole square un

garri49 [273]

Answer:

28.3 centimeters and 21 centimeters

Step-by-step explanation:

28.3 + 0.05) cm, so 28.25 cm ≤ length < 28.35 cm.

6 0

2 years ago

Someone help, please!

Nikolay [14]

Answer:

(0,3) is one of them but i'm unsure what the other one is

Step-by-step explanation:

6 0

2 years ago

What is this proportion 3/4=16/x

andrew-mc [135]

Answer:

x = 21

Step-by-step explanation:

3x = 16 * 4 = 64

x = 64/3

x = 21

3 0

2 years ago