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Chapter 4: Q26. (page 271)
Write an equation of the line that passes through the given points.
The required equation is represented by.
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Devonte's scores on his first four Spanish tests are 92, 85, 90, and 92. What test score must Devonte earn on the fifth test so that the mean will be exactly 90?
An electrician charges a \(25 consultation fee plus \)35 per hour for labour.
a. Copy and complete the following table showing the charges for jobs that take 1, 2, 3, 4, or 5 hours.
| Hours, | Total cost, |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 |
b. Write an equation in slope-intercept form for the total cost of a job that takeshours.
c. If the electrician bills in quarter hours, how much would it cost for a job that takes 3 hours 15 minutes to complete?
Write an equation in point-slope form for the line that passes through each point with the given slope.
Write an equation in point slope-intercept form that passes through the given point and has the given slope.
, slope
Determine whether the graphs of the pairs of equations are parallel, perpendicular, or neither.
F parallel
G perpendicular
H neither
J not enough information
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