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3 years ago

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Let $A = (5,12)$, $B = (0,0)$, and $C = (14,0)$. For a point $P$ in the plane, the minimum value of $PA^2 + PB^2 + PC^2$ can be

expressed in the form $m/n$, where $m$ and $n$ are relatively prime positive integers. Find $m + n$.

1 answer:

Delvig [45]3 years ago

6 0

Answer:

45

Step-by-step explanation:

do it

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Please tell me if I got it right

ahrayia [7]

Answer:

1/9

Step-by-step explanation:

1/3 / 3 = 1/9

she will run 1/9

jog 1/9

and walk 1/9

to check all of them equal 1/3

1/9+1/9+1/9 = 3/9 = 1/3

6 0

3 years ago

Charles has collected data to find that the total snowfall per year in Reamstown has a normal distribution. Using the Empirical

Mazyrski [523]

Answer:

0.8413 or 84.13%

Step-by-step explanation:

Given : The mean is 72 inches and the standard deviation is 15 inches

To Find : What is the probability that in a randomly selected year, the snowfall was less than 87 inches

Solution:

Mean = $\mu = 72$

Standard deviation = $\sigma = 15$

Formula : $z=\frac{x-\mu}{\sigma}$

We are supposed to find the probability that in a randomly selected year, the snowfall was less than 87 inches

So, x = 87

Substitute the values in the formula

$z=\frac{87-72}{15}$

$z=1$

Now to find P(z<87) refer the z table

P(Z<87)=0.8413 = 84.13%

So, the probability that in a randomly selected year, the snowfall was less than 87 inches if the mean is 72 inches and the standard deviation is 15 inches is 0.8413 or 84.13%

6 0

4 years ago

I need help on this question

xz_007 [3.2K]

I can't see your question

7 0

4 years ago

Round 11.507 to the place of the zero

andrey2020 [161]

If you mean to the place value that the zero is in (hundredth place), it should round to 11.51

4 0

3 years ago

If a =c+2 what is the value of c when a=5

nikdorinn [45]

(5)=c+2 Plug in your a value then combine like terms to find c
3=c

3 0

4 years ago