Question4: C, question 5: A
14. To get the length of each side, you will have to find the square root of 189 to find what two numbers multiplied by itself will get to that number. The square root of 189 is about 13.7, to the nearest tenths is 14
compare to the correct answer on the picture. If not helped you can use a graph calculator and it should let you know wether or not you’re correct
For this Q:
mean=31
st.dev.=0.8
x=32
Calculate z-score:
z=(x-m)/s = (32-31)/0.8=1.25
This z-score value corresponding to the probability of 0.8944
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1 hours to fill the dish
for 1/2 of the dish
think
1/2 times 2=2/2=1 so therefor it takes 1 less doubling so
60 mins
1 less double
(double is 6 mins so )
60-6=54
the answe ris 54 mins or a