Mathematics, 03.11.2020 17:20 jackievelasquez7881
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
Answers: 2
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Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)
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Answers: 1
Answer only if you know all of them
(1) The total distance a ball rolls varies directly with the ti...
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