
The correct choice appears to be ...
... A) 4/15
The right answer is Option D.
Step-by-step explanation:
Boxes of ice cream received = 50
Ice-creams in each box = 12
Total ice-cream bars = No. of boxes * Ice cream bars in each box
Total ice-cream bars = 
No. of people who had ice cream bars = 520
Ice-cream bars left = Total ice cream bars - No. of people who had ice cream
Ice cream bars left = 
80 ice cream bars were left.
The right answer is Option D.
Keywords: multiplication, subtraction
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Answer:
2.5 second
Step-by-step explanation:
The equation is missing in the question.
The equation is,
, where 'h' is the height and 't' is time measured in second.
Now we know to reach its maximum height, h in t seconds, the derivative of h with respect to time t is given by :

Now the differentiating the equation with respect to time t, we get


For maximum height, 
So, 



Therefore, the ball takes 2.5 seconds time to reach the maximum height.
Answer:
The correct answer is <u>B. 15 units</u>
Step-by-step explanation: