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3 years ago

Y-n=y+ax solve for x

Mathematics

1 answer:

slamgirl [31]3 years ago

8 0

Answer: x=-n/a

Step-by-step explanation:

To solve for x, we want to use our properties to isolate x.

$y-n=y+ax$ [subtract both sides by y]

$-n=ax$ [divide both sides by a]

$x=-\frac{n}{a}$

Now, we know that x=-n/a.

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A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 48.0 and 58.

Yanka [14]

Answer: 0.025

Step-by-step explanation:

Given : A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between the interval [48.0 minutes, 58.0 minutes].

The probability density function :-

$f(x)=\dfrac{1}{58-48}=\dfrac{1}{10}$

Now, the probability that a given class period runs between 50.25 and 50.5 minutes is given by :-

$\int^{50.5}_{50.25}\ f(x)\ dx\\\\=\int^{50.5}_{50.25}\ \dfrac{1}{10}\ dx\\\\=\dfrac{1}{10}|x|^{50.5}_{50.25}\\\\=\dfrac{1}{10}\ [50.5-50.25]=\dfrac{1}{10}\times(0.25)=0.025$

Hence, the probability that a given class period runs between 50.25 and 50.5 minutes =0.025

Similarly , the probability of selecting a class that runs between 50.25 and 50.5 minutes = 0.025

5 0

3 years ago

Does anyone know what the answer please????

natima [27]

Answer:

I think 25 is this is right

5 0

3 years ago

Hey circle has a diameter of 20.41 feet which measurement is closest to the circumference of a circle in feet?

Angelina_Jolie [31]

Answer:

64.0874 or 20.41pi

Step-by-step explanation:

circumference = diameter x pi

C = D x pi

C = 20.41pi(lets say pi is 3.14)

C = 64.0874

3 0

2 years ago

How do you find the derivative of 4

Nutka1998 [239]

by rule the derivative of a constant is 0

so the answer for this is 0

5 0

3 years ago

Is this right? Please help me.

Tpy6a [65]

Answer:

I think so

Step-by-step explanation:

7 0

3 years ago