Answer:
Step-by-step explanation:
we know that
The total distance traveled on the ski lift from the bottom to the top of the mountain is equal to
see the attached figure to better understand the problem
substitute the values
Observe that the difference of the sequence is 30. The first term is 12.
Let's use the arithmetic sequence formula
Replacing the given information, we have.
<h2>Hence, the right answer is C because it relates correctly the first term and the difference.</h2>
Angle 2 is equivalent to 180 degrees
Answer:
32.7°
Step-by-step explanation:
Use the formula for law of cosines, for this question we need so solve for angle B, so use...
b² = a² + c² - 2(a)(c)Cos B
We are given a, b, and c, so plug them in...
55² = 90² + 50² - 2(90)(50)Cos B
Now simplify...
3,025 = 8100 + 2500 - (9000)Cos B
-7,575 = -(9000)Cos B (subtract 8100 and 2500 from both sides)
0.841666667 = Cos B (divide both sides by -9000)
Cos^(-1) 0.841666667 = B (use cosine inverse function on calculator)
32.68346376° = B
32.7° = B
I disagree, the equation is in y=mx+b form. The slope, or m, is 0, so the equation is y=0x+7. That simplifies to y=7.
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Hope this helps!