For this isosceles triangle, find the measure of angles c and d.

Mathematics

1 answer:

oksano4ka [1.4K]3 years ago

6 0

is there an included angle or lengths for now it's unsolvable

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A town predicts that its population will double in e ^ In 10/ 2 In e years.

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4 years ago

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QveST [7]

A.
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Since about 95% of a normal distribution falls within two standard deviations of the mean, that leaves 5% that lie without, with 2.5% lying to either side.

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b.
$\mathbb P(1100$

About 68% of a normal distribution lies within one standard deviation of the mean, so this probability is about 0.68.

c. You're looking for $k$ such that

$\mathbb P(X>k)=0.10$

Since

$\mathbb P(X>k)=\mathbb P\left(\dfrac{X-1200}{100}>\dfrac{k-1200}{100}\right)=\mathbb P(Z>k^*)=0.10$

occurs for $k^*\approx1.2816$ , it follows that

$\dfrac{k-1200}{100}=1.2816\implies k\approx1328$

So there's a probability of 0.10 for having a demand exceeding about 1328 pounds.

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4 years ago

Elimination<br>3x +2y=9<br>3x ty=0<br>1

muminat

Answer:

$y = 9$