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03.11.2020 •
Mathematics
Answer only if you know all of them
(1) The total distance a ball rolls varies directly with the time in seconds. The ball rolls a total distance of 112 centimeters in 4 seconds.
What is the time in seconds the ball rolls when the total distance is 700 centimeters?
(A) 6 s
(B) 10 s
(C) 25 s
(D)28 s
(2)Sal's Smoothies records the daily temperature and the number of smoothies it sells each day. The table shows data for several days. A linear function can be used to model the data.
What is the best prediction of the number of smoothies sold on a day that has a temperature of 95º F?
(A)130 smoothies
(B)150 smoothies
(C)190 smoothies
(D)210 smoothies
(3)The value of y is directly proportional to the value of x. Given y = 25 when x = 150.
What is the value of y when x = 60?
(A)10
(B)360
(C) 6
(D) 1/6
(4)What is the correlation coefficient r for the data set?
(A) -0.95
(B)0.91
(C)7.9
(D)-1.00
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Ответ:
c
Step-by-step explanation:
vote me brainst
Ответ:
Step-by-step explanation:
sixteen possible outcomes
A fair 4-sided die is rolled twice and we assume that all sixteen possible outcomes are equally likely.