12. At noon the temperature was 30 degrees Celsius. At night it becomes 25 degrees Celsius. How
2 answers:
30-25
Answer:
5 degrees colder
Step-by-step explanation:
You take the starting point then subract the ending point and you get your answer. But in order to know if its colder or warmer is to know that the higher the number, the hotter, and the lower the number, the colder.
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, where
is circumference and tex]d[/tex] is the diameter. They are related by a constant
(pi).
We can solve the above equation for d and then substitute our known values.
Answer:
67.5 tiles
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1,111... = 1 + 1/9 = 1 1/9
Solve both equations for x:
2x+7 = 3
2x = -4
x = -2
Plug x into the equation which contains b:
b(-2) -10 = -2
-2b = 8
b = -4
Answer:
b = -4
x = -2
, where 
is circumference and tex]d[/tex] is the diameter. They are related by a constant 
(pi).