13/8 is already an improper fraction
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Answer:
12×11×10×9×8×7= 665 280 ways
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Step-by-step explanation:
The first inquiry has 12 ways
The 2nd inquiry has 11 ways
The 3rd inquiry has 10 ways
The 4th inquiry has 9 ways
The 5th inquiry has 8 ways
The 6th inquiry has 7 ways
Answer:
138.248cm²
Step-by-step explanation:
Surface area=2πrh + 2πr²
Surface area=2x3.142x2x9+ 2x3.142x2²
Surface area=113.112+25.136
Surface area=138.248cm²
-0.8 = -0.8/10
-0.8 x 10 = -8
<span>1 × 10 = 10</span>
<span>-8/10
Simplified = -4/5
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Answer:
<em>Assuming person A and person B are part of the 7 people</em>, there are 10 ways the 7 people can line up if A needs to be first or last and B needs to be in the middle.
Step-by-step explanation:
There are 2 places for A (first, last) and 5 places for B (anywhere but first or last). 2 x 5 = 10.