sindy35111
06.10.2020 •
Mathematics
Ricardo throws a stone off a bridge into a river below. The stone's height (in meters above the water), 2 seconds after Ricardo threw it, is modeled by w(2) = -5( 18)(+1) How many seconds after being thrown will the stone reach its maximum height?
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Ответ:
-90
Step-by-step explanation:
Ответ:
11 years old
Step-by-step explanation:
Let Jimmy's age be represented as x. His big brother's age is x+5 and his sister's age is 2x. Adding these gives us 4x+5=29. Solving for x gives us 6. His brother's age is 6+5=11.