1 Here is data on the number of cases of whooping cough from 1939 to 1955.
number of cases
year
1941
1950
1945
1942
1
1953
1939
I
1951
1948
1955
1952
222,202
120,718
133,792
191,383
37,129
103,188
68,687
74,715
62,786
45,030
183,866
60,866
109,873
109,860
191,890
69,479
156,517
Make a new table that orders the data by year.
1940
1954
1944
1946
1943
1949
1947
a.
b.
Which years in this period of time had fewer than 100,000 cases of whooping cough?
c.
Based on this data, would you expect 1956 to have closer to 50,000 cases or closer to
100,000 cases?

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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can you rephrase the question ? it is unclear : -)

step-by-step explanation:

1/3 + 1/3 ≠ 2/6 because 1/3 alone = 2/6  

step by step explanation:

1/3 + 1/3 = 2/3       2/3=4/6

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this