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avanturin [10]
3 years ago
11

Write the expression as the sine, cosine, or tangent of an angle.

Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
6 0

Answer:

Step-by-step explanation:

sin 52 cos 13-cos 52 sin  13=sin (52-13)=sin 39

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In circle o, mZWBY = 72°.
likoan [24]

Answer:

Answer is B. 36 degrees

Step-by-step explanation:

From the diagram,

angle WBY = 2 × angle WXY

angle WBY = 72°

angle WXY =

\frac{angle \: WBY}{2}

=  \frac{72}{2}

= 36 \: degrees

7 0
3 years ago
Reports on a student’s ACT, SAT, or MCAT usually give the percentile as well as the actual score. The percentile is just the cum
DaniilM [7]

Answer:

The percentile is calculated with the following probability:

P(X

And using the z score we got:

P(X

So then we can conclude that 31 represent approximately the percentile 81 on the distribution given

He scored better than about 80.98 % of all MCAT takers.

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 scores of a population, and for this case we know the distribution for X is given by:

X \sim N(25.3,6.5)  

Where \mu=25.3 and \sigma=6.5

And for this case we have a score of 31

The percentile is calculated with the following probability:

P(X

And using the z score we got:

P(X

So then we can conclude that 31 represent approximately the percentile 81 on the distribution given

He scored better than about 80.98 % of all MCAT takers.

6 0
3 years ago
Hey someone who knows this want to give me the answer thanks
rewona [7]
The answer is C. (x+6)(x+8)
7 0
3 years ago
Read 2 more answers
A milk container capacity is one gallon. how many cups would be equal?
Elza [17]
A milk container that has the capacity of one gallon is equal to a container that has the capacity of 16 cups.
6 0
3 years ago
Which set of angle measures can be used to form a triangle ? A : 40 , 60 , 85 ,, B : 45 , 60 , 60 , C : 30 , 60 , 90 , D : 45 ,
Rainbow [258]

Answer:

D)45,90 90 this is the answer

3 0
3 years ago
Read 2 more answers
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