Mathematics, 31.03.2021 22:50 cesarcastellan9
A scientist created a scatter plot to represent the heights of four plants over time. Then, she found a line of best-fit to model the height in centimeters of each plant after x days. The equations of each trend line are given in the table.
Trend Line Equations
Plant
Equation of trend line
1
y = three-halves x + three-halves
2
y = 2 x + 1
3
y = one-half x + 3
4
y = three-halves x + 1
According to the trend line equations, which plants are growing at the same rate per day?
1 and 2
1 and 4
2 and 3
2 and 4
Answers: 2
Mathematics, 21.06.2019 16:30
The average human heart beats 1.15 \cdot 10^51.15ā
10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65ā
10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.
Answers: 1
Mathematics, 21.06.2019 18:30
According to the 2008 u.s. census, california had a population of approximately 4 Ć 10^7 people and florida had a population of approximately 2 Ć 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.
Answers: 1
Mathematics, 21.06.2019 20:00
What is the ratio of the length of an object in yards to the length of the same object in miles?
Answers: 3
A scientist created a scatter plot to represent the heights of four plants over time. Then, she foun...
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