Answer:
The total change in the altitude is 58.3
Step-by-step explanation:
-42.9 + -15.4 = 58.3
Answer:
m= 1/4
Step-by-step explanation:
1) Take two points. Let's use the first and second. Subtract one y coordinate from the other. 6 - 5 = 1
2) Do the same process with the x coordinates. 0 - -4 = 4 (0 + 4)
3) Make the answer from the y coordinates the numerator and the answer from the x coordinates the denominator, and you have your final answer: 1/4
Using trigonometric identities, and equality is reached, hence the equality is proved.
<h3>Which trigonometric identity are used to solve this question?</h3>
These three identities are used:
.
.
Hence:




Equality is reached, hence the equality is proved.
More can be learned about trigonometric identities at brainly.com/question/24496175
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Answer: x = -1 and y = 3
Step-by-step explanation:

Let's start by solving
for 

Add 5y to both sides

Now we need to divide both sides by 10


That's not the answer for x. We are not done yet :)
Now we need to substitute
for 

Now we need to simply both sides

Now we need to add 25 to both sides

We have the valuee for y! Now we need to find the value for x
To find the value of x, we need to substitute 3 for y in:

Therefore,
The answer is x = -1 and y = 3
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