Step-by-step explanation:
- 4x2 - 80x - 400
- 4x2 - 40x - 40x - 400
-4x( x + 10) - 40(x + 10)
(x + 10) and ( - 4x - 40) are the factors
Well since he already ate 10 in the first minute, u subtract that from the total 72 hot dogs he needs to eat. = 62
Then use the formula 62= 9d
By solving that, you get 6.8 recurring.
<span>2 • (a - 20) that is your final answer!
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Not all the time, depending on the value of the "?".
If ? is between 0 and 5 included, you are right because you round down. If it is between 6 and 9 included, you would get 730000.
