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weeeeeb [17]
3 years ago
7

Can someone help write the ratios for sin x,cos x and tan x

Mathematics
1 answer:
melamori03 [73]3 years ago
8 0

Answer:

see explanation

Step-by-step explanation:

For the right triangle

sinx = \frac{opposite}{hypotenuse} = \frac{4\sqrt{5} }{12} = \frac{\sqrt{5} }{3}

cosx = \frac{adjacent}{hypotenuse} = \frac{8}{12} = \frac{2}{3}

tanx = \frac{opposite}{adjacent} = \frac{4\sqrt{5} }{8} = \frac{\sqrt{5} }{2}


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Help plz:))) I’ll mark u brainliest
kompoz [17]

Answer:

x=4

Step-by-step explanation:

checked my answer its right

5 0
3 years ago
Consider the 1-to10^19 scale on which the disk of the Milky Way Galaxy fits on a football field. On this scale, how far is it fr
bezimeni [28]

Beautiful !  What a great exercise !  I won't even check to verify
that 1:10⁻¹⁹ is an appropriate scale to map the Milky Way onto a
football field.  I'll just accept it and go from there.

(4.4 light years) x (10⁻¹⁹) = (2.5848 x 10¹³ miles) x (10⁻¹⁹)

                                       =  2.5848 x 10⁻⁶ mile

                                       =    0.164 inch .

(1,391,400 kilometers) x (10⁻¹⁹) = 1.3914 x 10⁻¹⁰ meter


Research Conclusions:

If the Milky Way shrinks to fit on a football field, then

-- Alpha Centauri is  0.164 inch from us.

-- The sun's diameter is about 1.39 times that of a Hydrogen atom. 

Playing with this same fun concept a little more:

-- The Earth is sailing around in its orbit, once a year,
    about 0.000015 millimeter from the sun. 

-- It takes light almost 27 years to travel 1 inch !

wow  !
5 0
3 years ago
Read 2 more answers
Marking brainliest..
nikitadnepr [17]
B. 700

1000 out of 700 is the same as 10 out of 7 but simplified
7 0
3 years ago
Explain the steps needed to determine the value of the expression
olga2289 [7]

Answer:

0

Step-by-step explanation:

=-5/6-7/6+2

=-12/6+2

=-2+2=0

8 0
3 years ago
The number of phone calls that Actuary Ben receives each day has a Poisson distribution with mean 0.1 during each weekday and me
Dovator [93]

Answer:

There is a 0.73% probability that Ben receives a total of 2 phone calls in a week.

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given time interval.

The problem states that:

The number of phone calls that Actuary Ben receives each day has a Poisson distribution with mean 0.1 during each weekday and mean 0.2 each day during the weekend.

To find the mean during the time interval, we have to find the weighed mean of calls he receives per day.

There are 5 weekdays, with a mean of 0.1 calls per day.

The weekend is 2 days long, with a mean of 0.2 calls per day.

So:

\mu = \frac{5(0.1) + 2(0.2)}{7} = 0.1286

If today is Monday, what is the probability that Ben receives a total of 2 phone calls in a week?

This is P(X = 2). So:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

P(X = 2) = \frac{e^{-0.1286}*0.1286^{2}}{(2)!} = 0.0073

There is a 0.73% probability that Ben receives a total of 2 phone calls in a week.

3 0
3 years ago
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