Step-by-step explanation:
40 days = 15 boys
1 day = 15/40 = 3/8
therefore,
30 days = 3/8 × 30
= 11.1/4 boys or 11.25boys
Answer:
-20
Step-by-step explanation:
The answer is 90 when you multiply 15 by 6
Part A: f ( t ) = t² + 12 t - 19 =
= ( t² + 12 t + 36 ) - 36 - 18 = ( t + 6 )² - 54 ( the vertex form )
Part B : The vertex : ( - 6, - 54 ). This is the minimum, because the parabola is open up ( a > 0 ).
Part C : The axis of symmetry: t = - 6
Answer:
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