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Phantasy [73]
3 years ago
9

f sinx is approximately 0.2588, what is the measurement of x to the nearest degree? Approximately, what is the cosine of the ang

le that is complementary to x?
Mathematics
1 answer:
AysviL [449]3 years ago
3 0
There are buttons on all scientific calculators for inverse trig functions.

Usually denoted as "arcsin, arccos" or with a little -1 inverse sign like this:
 sin^{-1} (0.2588) = 14.99

You put in the measurement and it gives back the angle. I

angle x = 15°

complimentary angles add up to 90° so the angle that's complimentary is 90-15 = 75°
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Answer:

19 11/16 or 315/16

Steps:

Turn the fractions into an improper fraction and then multiply straight across

5 1/4 = 21/4

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Answer:

The total distance covered is 15.6 miles.

Step-by-step explanation:

One day you warm up for 15 minutes at a pace of 0.1 miles per 25 seconds.

The rule of three or is a way of solving problems of proportionality between three known values and an unknown value, establishing a relationship of proportionality between all of them. If the relationship between the magnitudes is direct, like in this case, the direct rule of three can be applied as follow:

a ⇒ b

c ⇒ x

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First, the simple rule of three can be applied in the following way: if 1 minute equals 60 seconds, 15 minutes equals how many seconds?

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If you then ride hard for 12 miles, the total distance traveled will be the sum of both:

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<u><em>The total distance covered is 15.6 miles.</em></u>

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The answer of the number 3 is B.
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