A new production method reduced the time needed to clean a piece of metal from 5 min to 3 min. What percent decrease does this represent? Round to the nearest tenth of a percent.
A) 40.0%
B) 66.7%
C) 60.0%
D) 50.0%
E) 33.3%
A) 40.0%
Mathematics
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Find the intervals on which the function is continuous.y = 
A. continuous on the intervals (-?, -
] and [
, ?)
B. continuous everywhere
C. continuous on the interval [
, ?)
D. continuous on the interval [-
, 
]
Mathematics
Determine the indicated arc or angle.Find ?CAB.
A. Not enough information. B. 36° C. 54° D. 18°
Mathematics
Verify the identity.
= cot y - cot x
What will be an ideal response?
Mathematics
At times it is hard to tell whether a succor is an insider or an outsider.
Answer the following statement true (T) or false (F)
Mathematics