What fraction is greater than 0.7 and less than 0.8
1 answer:
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Answer:
The 1st term is -67
Step-by-step explanation:
I. When Sn = (
)
If Sn = 124, n = 8 and = 98
124 = 8/2(a + 98)
124 = 4(a + 98)
124 = 4a + 392
124 - 392 = 4a
-268/4 = a
-67 =
Hope that help :D
Answer:
and
Step-by-step explanation:
The ratios of sine and cos are defined as follows:
, and
The hypotenuse is always the side opposite of the 90 degree angle (for the given triangle, the hypotenuse is 85)
Since we are looking at the angle A, the opposite side with respect to A would be the side length of 84. That leaves the side 13 as the adjacent side.
Thus, we can now write:
The correct answer is the first answer choice.
