I CANNOT get this one wrong. I just don't understand this.
1 answer:
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Answer:
B
Step-by-step explanation:
Using the Sine Rule in ΔABC
=
=
∠C = 180° - (82 + 58)° = 180° - 140° = 40°
Completing values in the above formula gives
=
=
We require a pair of ratios which contain b and 3 known quantities, that is
=
OR
=
→ B
so, let's first change the bounds from 1 to 9, so we'll be dropping the indices by 1, in order to do the variable "n".
however, let's use a variable hmmm say "k", where "k" is the value of "n" beginning at 1, thus k = n - 1.
however, if k = n - 1, then k + 1 = n. So let's use those fellows then,
Answer: 60 miles
Step-by-step explanation:
Given
It takes ferry 2 hours to travel to town A and only to travel back to town B.
Speed of current is
Suppose the speed of the ferry is mph
Distance traveled in both the cases is same, but it took more time traveling to city A that is, ferry is moving upstream and downstream for returning time.
Distance between the towns is