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Brut [27]
3 years ago
5

solve a right triangles with an acute angle of 14° and hypotenuse length of 100m. Express the angle to the nearest degree and th

e lengths to the nearest tenth of a metre.
Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
3 0
I’m having a hard time understanding your question
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ivanzaharov [21]

Answer:

3

Step-by-step explanation:

Since it's at the same time of the day, the ratio between the height of the person and the shadow they cast will stay the same. So the man's height to shadow ratio is 6:8 = 3:4. The son's height to shadow ratio would be the same so x:4 = 3:4 therefore his height is 3 feet.

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3 years ago
What unit of time or volume is 1 equals 2?
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3 years ago
The price of a toy usually costing £50 to £65 work out the percentage increase FAST!!
VLD [36.1K]

Answer:

50 * 1.3 = 65

130% increase

6 0
3 years ago
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A manufacturing company regularly conducts quality control checks at specified periods on the products it manufactures. Historic
Rina8888 [55]

Answer:

The probability that none of the LED light bulbs are​ defective is 0.7374.

Step-by-step explanation:

The complete question is:

What is the probability that none of the LED light bulbs are​ defective?

Solution:

Let the random variable <em>X</em> represent the number of defective LED light bulbs.

The probability of a LED light bulb being defective is, P (X) = <em>p</em> = 0.03.

A random sample of <em>n</em> = 10 LED light bulbs is selected.

The event of a specific LED light bulb being defective is independent of the other bulbs.

The random variable <em>X</em> thus follows a Binomial distribution with parameters <em>n</em> = 10 and <em>p</em> = 0.03.

The probability mass function of <em>X</em> is:

P(X=x)={10\choose x}(0.03)^{x}(1-0.03)^{10-x};\ x=0,1,2,3...

Compute the probability that none of the LED light bulbs are​ defective as follows:

P(X=0)={10\choose 0}(0.03)^{0}(1-0.03)^{10-0}

                =1\times 1\times 0.737424\\=0.737424\\\approx 0.7374

Thus, the probability that none of the LED light bulbs are​ defective is 0.7374.

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3 years ago
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Zigmanuir [339]

Answer:

Hi

Step-by-step explanation:

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3 years ago
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