2 years ago

The lines 2x - y = 8 and 4x - 2y = 16 intersect at _______.

Mathematics

1 answer:

Nikolay [14]2 years ago

4 0

There both the same equation so it’s c
answer-C.

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Step-by-step explanation:

Given : Cherry trees in a certain orchard have heights that are normally distributed with $\mu = 112$ inches and $\sigma = 14$ inches.

To find : What is the probability that a randomly chosen tree is greater than 140 inches?

Solution :

Mean - $\mu = 112$ inches

Standard deviation - $\sigma = 14$ inches

The z-score formula is given by, $Z=\frac{x-\mu}{\sigma}$

Now,

$P(X>140)=P(\frac{x-\mu}{\sigma}>\frac{140-\mu}{\sigma})$

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The Z-score value we get is from the Z-table,

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