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Greeley [361]
3 years ago
14

Which statements about the right triangle are correct

Mathematics
1 answer:
ozzi3 years ago
3 0

The statements 2, 4, and 5 are correct about the right-angled triangle.

Step-by-step explanation:

Step 1:

The formulae needed to solve the problem are;

sin\theta = \frac{oppositeside}{hypotenuse} , cos\theta = \frac{adjacent side}{hypotenuse}, tan\theta = \frac{opposite side}{adjacentside},

cosec\theta = \frac{hypotenuse}{oppositeside} , sec\theta = \frac{hypotenuse}{adjacent side}, cot\theta = \frac{adjacent side}{oppositeside}.

Step 2:

If the angle is B, the opposite side measures 5 units, the adjacent side measures 12 units, and the hypotenuse measures 13 units.

cos B = \frac{12}{13} , sec B = \frac{13}{12} .

Step 3:

If the angle is A, the opposite side measures 12 units, the adjacent side measures 5 units, and the hypotenuse measures 13 units.

cot A = \frac{5}{12} , cosecA = \frac{13}{12} , sinA =\frac{12}{13} , tan A = \frac{12}{5}.

Of the six given options, options cot A = \frac{5}{12}, sinA =\frac{12}{13} ,sec B = \frac{13}{12} are the right options.

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8 0
3 years ago
Find the product of (5.2*10^-6) and (8*10^3)
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Answer:

8000.0000052

Step-by-step explanation:

(5.2*10^-6)=0.0000052

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3 years ago
Which of the following statements is true? A. Congruent angles have the same measure. B. Congruent angles are complementary. C.
sesenic [268]

Answer:

A. Congruent angles have the same measure.

Step-by-step explanation:

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This is independent of the direction of the angles.

Hence the right option is

A. Congruent angles have the same measure.

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3 years ago
Metrics are based on the british system of weights and measures. true false
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I looked it up, and it said false.
4 0
3 years ago
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A Starbucks coffee shop serves an average of 3500 customers per day, with a standard deviation of 250. What is the probability t
castortr0y [4]

Answer:

P(3300  

And we can find this probability with this difference:  

P(-0.8  

Step-by-step explanation:

Previous concepts  

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem  

Let X the random variable that represent the amount of cofee shops of a population, and for this case we know the distribution for X is given by:  

X \sim N(3500,250)  

Where \mu=3500 and \sigma=250  

We are interested on this probability  

P(3300  

And the best way to solve this problem is using the normal standard distribution and the z score given by:  

z=\frac{x-\mu}{\sigma}  

If we apply this formula to our probability we got this:  

P(3300  

And we can find this probability with this difference:  

P(-0.8  

6 0
3 years ago
Read 2 more answers
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