We are given that y varies jointly as x and z
Mathematically,
Where k is the constant of proportionality.
When x = 5, y = 80, and z = 8
So, the relationship becomes
What is y when x = 16 and z = 2?
Therefore, the value of y is 64
Population Proportion: unknown Sample Proportion: ˆ p = 0.86 Sample size: n = 169 1. Based on the sample, give a point estimate
1 answer:
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Answer:
- y=2x+5
- y= 1/3x -4
Step-by-step explanation:
1.
Substitute values into point-slope form
2.
Arrange equation in slope-intercept form (y=mx+b)and derive slope
Substitute values into point-slope form