In quadrilateral ABCD, AE=x+6 and BE=3x-18 For what value of x is ABCD a rectangle?
1 answer:
x + 6 = 3x - 18
- x - x
6 = 2x - 18
+ 18 + 18
24 = 2x
2 2
12 = x
The answer is C.
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Use cos^-1(0.6157) and u might find the answer
Those expressions are already in scientific notation.
Answer:
Solutions: (-2. -6), (1, -2), (10, 3), (5, 3)
Step-by-step explanation:
Eighteen tens < 21 × (5+5)
Hope this helps!
Answer: a
Step-by-step explanation:
