Answer:
C. 15
Step-by-step explanation:
The team has won ...
0.80 × 15 = 12 . . . games
To finish the season with a 90% winning percentage, they must win a total of ...
0.90 × 30 = 27 . . . games
That is, they must win ...
27 -12 = 15 . . . more games
The team must win 15 more games to finish with a 90% win rate.
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<em>Additional comment</em>
That means they must win every game of the last 15 played.
Answer:
(A)
Step-by-step explanation:
ZxZ-8=
Z-7
Note* Z-8=Z in the power of - 8 and Z-7=Z in the power of - 7
Answer:
That's just -6
Step-by-step explanation:
The 19 is smaller then the 25 so you gotta go back to the negatives, so do 25 - 19 but add a negative.
Answer:
53 52 72 61 68 58 47 47 (arrange it)
47 47 52 53 58 61 68 71 (done!)
Mode: 47 (appear twice)
Median: (53+58)/2 = 55.5
Mean = 47+47+52+53+58+61+68+71/ 8
=457/8
=57.12