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adoni [48]
4 years ago
10

Use the fact that trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.

Mathematics
2 answers:
Inessa05 [86]4 years ago
8 0
Hey, Hope This Helps 

1080-360=720
720-360=360
360-360=0
Which is 1080=Tan=0=0

Fofino [41]4 years ago
7 0
1080-360 = 720
720-360=360
360-360=0

so tan 1080 = tan 0 = 0
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C

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30

Step-by-step explanation:

This problem can be done without the Distance Formula (which is a way to find the distance between any two points in the plane).

The attached image shows the points and segments joining them.

PQ = 5 because the points are on the same horizontal line, and you can count spaces between them (or subtract x-coordinates: 4 - (-1) = 5).

PR = 12 because the points are on the same vertical line; count spaces or subtract y-coordinates, 7 - (-5) = 12.

The triangle is a right triangle, so the Pythagorean Theorem can be used to find the length of the hypotenuse.

(\text{leg})^2+(\text{leg})^2=(\text{hypotenuse})^2

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6 0
3 years ago
The grouped frequency table below represents the lengths of the fingers of some
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Answer:

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When calculating the mean from a grouped frequency table, first you must estimate what the value is through finding the number halfway between the value that x is greater than and less than:

The number halfway between 8 and 9 is 8.5

The number halfway between 9 and 10 is 9.5

The number halfway between 10 and 11 is 10.5

The number halfway between 11 and 12 is 11.5

Next, you have to multiply the estimated value by its frequency:

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9.5 x 11 = 104.5

10.5 x 17 = 178.5

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Then, add up the values you calculated and divide them by the total frequency (all the frequencies added up).

total estimated length: 25.5 + 104.5 + 178.5 + 103.5 = 412

total frequency: 3 + 11 + 17 + 9 = 40

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