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3 years ago

9/2x -6y = 12 3x - 4y = 8

Mathematics

1 answer:

valentinak56 [21]3 years ago

5 0

Answer:

x-intercept $\frac{8}{3} ,0$ and y-intercept $0,-2$

Step-by-step explanation:

I don't know if this is exactly what you were looking for if it's not I'm sorry if so hope this helps have a good rest of your day :) ❤

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Formula of arc length

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The formula is

(theta)/360 · 2(pi)r

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r is radius of the circle

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3 years ago

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The scheduled arrival time for a daily flight from Boston to New York is 9:35 am. Historical data show that the arrival time fol

Lady_Fox [76]

Answer:

The mean is 11.5 minutes and the standard deviation is of 6.64 minutes

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The mean is:

$M = \frac{a+b}{2}$

The standard deviation is:

$S = \sqrt{\frac{(b-a)^{2}}{12}}$

Arrival time of 9:18 am and a late arrival time of 9:41 am.

9:41 is 23 minutes from 9:18. So the time is uniformily distributed between 0 and 23 minutes, so a = 0, b = 23.

Mean:

$M = \frac{a+b}{2} = \frac{0+23}{2} = 11.5$

Standard deviation:

$S = \sqrt{\frac{(b-a)^{2}}{12}} = \sqrt{\frac{(23 - 0)^{2}}{12}} = 6.64$

The mean is 11.5 minutes and the standard deviation is of 6.64 minutes

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2 years ago

Use substitution to solve the following system of equations.<br> y=3x +8<br> 5x+ 2y = 5

Shkiper50 [21]

Answer:

5x+2(3x+8)

5x+6x+16

11x+16

11x=-16

X=16/11

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3 years ago

Which answers are equal to the expression below? Check all that apply PLEASE WILL GIVE BRAINLIEST

kramer

Answer:

B., D., E.

Step-by-step explanation:

$\sqrt{9} \cdot \sqrt{100} =$

$= \sqrt{9 \cdot 100}$ This is choice B.

$= \sqrt{900}$ This is choice E.

$= 30$ This is choice D.

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2 years ago