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True [87]
2 years ago
10

Which pair of angle measures is supplementary?

Mathematics
1 answer:
AURORKA [14]2 years ago
4 0

Answer:

B) :) I hope this helps!!!!!!!

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Replacement times for CD players are normally distributed
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0.04

Step-by-step explanation:

X~N(μ=14.2; σ=0.9), a=7

P(X>7)=1-P(X\leq 7)

P(0\leq X\leq a)=P(\frac{0-\mu}{\sigma} \leq \frac{X-\mu}{\sigma}\leq \frac{a-\mu}{\sigma}), Z= \frac{X-\mu}{\sigma}=P(0\leq X\leq a)=P(\frac{0-\mu}{\sigma} \leq \frac{X-\mu}{\sigma}\leq \frac{a-\mu}{\sigma}), Z= \frac{X-\mu}{\sigma}

P(0\leq X\leq 7) = P(\frac{0-5.5}{1.5} \leq Z\leq \frac{7-5.5}{1.5}) = \Phi(1.66)-\Phi(-3.66) = \Phi(1.66) -(1-\Phi(3.66)) = 0.95-(1-0.99)=0.96

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3 years ago
Jordan went to the store to buy a bicycle that was advertised for $50. When he arrived, he learned that the model he wanted was
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Help will give Brainly points
Arlecino [84]

Answer:

x is the hypotenuse

from trigonometry ratios:

\sin( \theta)  =  \frac{opposite}{hypotenuse}  \\

consider theta to be 60°

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