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snow_lady [41]
3 years ago
14

_12X+18(-11) solve it

Mathematics
1 answer:
crimeas [40]3 years ago
5 0

Answer:

1 2  −  1 9 8

Step-by-step explanation:

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The ages of trees in a forest are normally distributed with a mean of 25 years and a standard deviation of 4. Approximately what
harkovskaia [24]

Answer:

78.88%

Step-by-step explanation:

We have been given that

\mu=25,\sigma=4,x_1=20,x_2=30

The z-score formula is given by

z-\text{score}=\frac{x-\mu}{\sigma}

For x_1=20

z_1=\frac{20-25}{4}\\\\z_1=-1.25

For x_2=30

z_2=\frac{30-25}{4}\\\\z_2=1.25

Now, we find the corresponding probability from the standard z score table.

For the z score -1.25, we have the probability 0.1056

For the z score 1.25, we have the probability 0.8944

Therefore, the percent of the trees that are between 20 and 30 years old is given by

0.8944 - 0.1056

= 0.7888

=78.88%

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3 years ago
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Answer:

Step-by-step explanation:

Tri WYV is a right triangle

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Angle YVW = Right angle, Right Triangle property

SVY ~ WVU by reflective property

VW = VU by perpendicular property

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3 years ago
Multiply (x + 3)(x – 3).
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B would be correct the -3 x and 3 x cancel out
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Which relation is a function ?
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Y is the function of x so there are two things called Input and output
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This number was rounded to the nearest hundred thousand. List the possible digits that could go in the ten thousands place to ma
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The possible digits could be 0, 1, 2, 3, or 4 as they would cause the entire number to round down instead of up.
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