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Yakvenalex [24]
3 years ago
11

Can anyone answer the q in the photo?

Mathematics
1 answer:
BaLLatris [955]3 years ago
6 0
Tan(Ф) = 4/3

tan(Ф) = b/6Ф, then 4/3 =b/6 

cross multiplication: 3b=24 and b= 24/3, b = 8 (answer D)
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I think, yes?

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no

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PLEASE HELP, ASAP WILL GIVE BRAINLIEST
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C

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3 years ago
the marks in an examination for a Physics paper have normal distribution with mean μ and variance σ2 . 10% of the students obtai
Blababa [14]

Let X be the random variable for the number of marks a given student receives on the exam.

10% of students obtain more than 75 marks, so

P(X>75)=P\left(\dfrac{X-\mu}\sigma>\dfrac{75-\mu}\sigma\right)=P(Z>z_1)=0.10

where Z follows a standard normal distribution. The critical value for an upper-tail probability of 10% is

P(Z>z_1)=1-F_Z(z_1)=0.10\implies z_1=F_Z^{-1}(0.90)

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z_1=F_Z^{-1}(0.90)\approx1.2816

Similarly, because 20% of students obtain less than 40 marks, we have

P(X

so that

P(Z

Then \mu,\sigma are such that

\dfrac{75-\mu}\sigma\approx1.2816\implies75\approx\mu+1.2816\sigma

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3 0
3 years ago
The financial statements of the Tyler Company report net sales of $300,000 and accounts receivable of $50,000 and $10,000 at the
iragen [17]

Answer:

the accounts receivable turnover for the Tyler Company is 10

Step-by-step explanation:

The company report :

net sales = $300,000

account receivable  = $50,000 and $10,000

to find the accounts receivable turnover, use the following formula:

accounts receivable turnover = net sales : average account receivable

First, we need to calculate the average account receivable of  the company

average accounts receivable = ($50,000+$10,000) : 2

                                              = $60,000 : 2

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Then, substitute net sales into the formula

accounts receivable turnover = $300,000 : $30,000

                                              = 10

4 0
3 years ago
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