Answer:
x = 96°
y = 102°
Step-by-step explanation:
Angles on a straight line add up to 180
78 + y = 180
y = 180 - 78
y = 102
Angles in a quadrilateral add up to 360
78 + 90 + x + x = 360
78 + 90 + 2x = 360
168 + 2x = 360
2x = 360 - 168
2x = 192
x = 192/2
x = 96°
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Answer
-9+ 9і
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Step-by-step explanation:
(-7+ 3i) - (2 - 6i) = -7+3i-2+6i = (-7-2)+(3i+6i) = -9+9i.
:)
I don't really understand why there is a one, but I can tell you that "29" is prime and "27" is not.
Answer:
D. It takes a starfish 60 seconds to travel 1 meter.
Step-by-step explanation:
Hope this helps :)
sorry if im incorrect :(
Answer:
The answer is 7.5
Step-by-step explanation: