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Greeley [361]
2 years ago
11

#1 EXAM QUESTION PLEASE HELP ME!!!

Mathematics
1 answer:
puteri [66]2 years ago
3 0

Answer:

you shouldn't be using this on exams it could go very wrong

Step-by-step explanation:

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y axis

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Find sin0 where 0 is the angle shown. Give an exact value, not a decimal approximation.​
otez555 [7]

Answer: Sin0 = 8/8.5

Step-by-step explanation: What we have is a right angled triangle, with two sides given and one angle which is the reference angle (unknown angle).

The Sine of the angle is calculated as

Sin0 = opposite/hypotenuse

We have the opposite side (facing the reference angle) as 8 units and the hypotenuse (facing the right angle unknown), which we shall label as X.

To calculate the hypotenuse, we shall apply the Pythagoras theorem which is,

X² = 3² + 8²

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Adding the square root sign to both sides of the equation, we now have

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X = 8.5 (approximately)

Now that we have the hypotenuse as 8.5, the Sine of the angle can now be calculated as

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Sin0 = 8/8.5

7 0
3 years ago
DIRECTION: Solve each proportion.
worty [1.4K]

Answer:

1.  n=10

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5. n=36

Step-by-step explanation:

set each set of proportion equal to each other and do cross multiplication

hope this helps !

how are you ?

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