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kenny6666 [7]
3 years ago
14

Due very soon so if someone could answer soon-ish it would be very helpful and much appreciated <3<3<3

Mathematics
1 answer:
Nikolay [14]3 years ago
7 0

Answer:

1) x+2y+15=0

only know that one soz

Step-by-step explanation:

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A normal distribution has a mean of 80.6 and a standard deviation of 13.9. Find the value where the lowest 5% of data ends.
Akimi4 [234]

Answer:

The lowest 5% of data ends at 57.73.

Step-by-step explanation:

Let the random variable <em>X</em> follow a Normal distribution with mean μ = 80.6 and standard deviation σ = 13.9.

The lowest 5% of the distribution can be expressed in terms of probability as follows:

P(X

Compute the value of <em>x</em> as follows:

P(\frac{X-\mu}{\sigma}

The <em>z</em> score such that P (Z < z) = 0.05 is <em>z</em> = -1.645.

**Use the <em>z-</em>table for the for the <em>z</em>-score.

The value of <em>x</em> is:

z=\frac{x-\mu}{\sigma} \\-1.645=\frac{x-80.6}{13.9} \\x=80.6-(1.645\times13.9)\\=57.7345\\\approx57.73

Thus, the lowest 5% of data ends at 57.73.

7 0
3 years ago
What's 9-2x=35<br><br><br><br><br><br>please need help and explain it ​
Degger [83]

Answer:

x = -13

Step-by-step explanation:

9 - 2x = 35

<u>-9           -9 </u>

-2x = 26

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6 0
3 years ago
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3/4h-9=1/4h-1 i need help
Vlada [557]

<u> Answer I got for this was 16.

Subtract the 1/4 from the 3/4 and get 2/4, simplified: 1/2

You should have 1/2 h -9 = -1 by now,
Then add nine to the other side, getting 8.
You should have 1/2 h = 8.
Then divide 1/2 by 8.
8/1÷1/2 ---> 8/1 × 2/1 (you flip the fraction when you divide)
So your answer is 16!
Hopefully that helped!</u>

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4 years ago
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P^4 , p^3 , p^2 , p

hope that helps you!
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4 years ago
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aleksklad [387]

Answer:

x=-1, x= 1

Step-by-step explanation:

4 0
3 years ago
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