Answer: 7z²-9z+20
Step-by-step explanation:
PEMDAS - Please Excuse My Dear Aunt Sally - Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
Answer:
See below.
Step-by-step explanation:
A.
n =1 , dots = 5.
n = 2, dots = 8.
n = 3, dots = 11.
n = 4, dots = 14.
B.
This is an arithmetic sequence.
C.
Yes.
D.
It is a function because for each input value it has one output value.
The nth term of the sequence = 5 + 3(n - 1).
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Answer:
1. B. By the vertical angles theorem.
2. ∠BED
Step-by-step explanation:
We have that, AB || CD and the two lines in between them are intersecting each other.
Since, we know that,
<em>Vertical Angles Theorem states that 'Two opposite angles of the intersecting lines are congruent'.</em>
So, as the lines are intersecting, we get by 'Vertical Angles Theorem',
∠AEB ≅ ∠CED and ∠AEC ≅ ∠BED.