Use the formula of Axis of symmetry, i.e -b/2a and solve for x which will be your answer.
Therefore x= -16
Answer:
7 times
Step-by-step explanation:
So since it rings every half hour, there should be 2 rings every hour, if not you are not on our planet. (60 mins in an hour, 30 mins = 1, so 60 mins =2)
So since it rings for 3 full hours, we get an initial step of 3 * 2 = 6 rings
Then there is another 1/2 ring because 3 and a 1/2 hours. So 6+1=7
hope i helped :) im not sure what you mean by model :(
Answer:
5 and 6
Step-by-step explanation:
call them a and b, respectively
we have a*b=30 -> a=30/b
a+b=11 -> b+ 30/b=11
b=6 and a=5
Total interest
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