Prob of tails times prob of rolling more than 3
0.5 × 0.5 = 0.25
25%
86,400 in scientific notation is <span>8.64 x 10^4</span>
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Answer:

Step-by-step explanation:
The ratio will remain the same because all the sides will be equally increased. The angles will also remains the same.
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Answer:
Line JK passes through points J(-4,-5) and K(-6, 3).
Line JK has form of y = mx + b
=> -5 = -4m + b
=> 3 = -6m + b
Subtract 2nd equation from 1st equation:
=> -8 = 2m
=> m = -4
Substitute back m = -4 into 1st equation:
=> -5 = -4(-4) + b
=> b = -21
Hope this helps!
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