Answer:
an = -3·2^(n-1)
Step-by-step explanation:
The first term is a1 = -3.
The common ratio is r = -6/-3 = 2.
The given formula tells you the formula for this sequence is ...
an = -3·2^(n-1)
Opposite angles are equal so the equation is
x + 71 = 108 (A)
Answer:
Yes.
Step-by-step explanation:
A right triangle, by definition, must have at a 90° angle, typically denoted by a square. In the given picture, there is a square within the triangle where an angle is, denoting that it is a right angle. ∴ by definition given above, this is a right triangle.
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Answer:
the answer is 11 by 8 feet.
Step-by-step explanation: 8 times 11 equals 88 and since the area is 88 that's the answer.