Answer:
(0, 4)
General Formulas and Concepts:
<u>Algebra I</u>
- The y-intercept is the y value when x = 0. Another way to reword that is when the graph crosses the y-axis.
Step-by-step explanation:
According to the graph, the line passes the y-axis at y = 4. Therefore, our y-intercept is (0, 4).
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Answer: About 99.7% of sixth-grade students will have
heights between <u>51.1</u> inches and <u>64.9</u> inches.
Step-by-step explanation:
According to the empirical rule, 99.7% of data falls within the three standard deviations from the mean.
Given : Mean: 
Standard deviation:= 
Then, the 99.7% of sixth-grade students will have heights between
inches and
inches
i.e.
inches and
inches
i.e. 51.1 inches and 64.9 inches.
Answer:
25 and 29
Step-by-step explanation:
25 + 29 = 54 and there is a difference of 4 between them