Use a proportion to solve the application.To determine the number of fish in a lake, researchers caught and tagged 260 of them. In a later sample of 72 fish, the researchers found that 30 were tagged. Estimate the total number of fish in the lake.
A. 8 fish
B. 561,600 fish
C. 108 fish
D. 624 fish
Answer: D
Mathematics
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Use radical notation to write the expression. Simplify if possible.(125 x15) -1/3
A. - 5x5
B. 
C. 
D. 
Mathematics
Find the center and radius of the circle.x2 - 10x + 25 + y2 - 4y + 4 = 64
A. (5, 2), r = 8 B. (-2, -5), r = 64 C. (-5, -2), r = 64 D. (2, 5), r = 8
Mathematics
Add.-8.4 + (-21.1)
A. 29.5 B. -12.7 C. 12.7 D. -29.5
Mathematics
Indicate whether the statement is true or false.Some real numbers are neither rational nor irrational.
A. true B. false
Mathematics