A(1) = 2
r = a(2)/a(1) = -8/2 = -4
Answer will be D.
!! Hope It Helps !!
r = a(2)/a(1) = -8/2 = -4
Answer will be D.
!! Hope It Helps !!
A store can buy a monitor for $150.
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Answer:
Step-by-step explanation:
Given question is incomplete; here is the complete question.
Working together, Sam and Charlie can change all light bulbs in the office building in 3 hours. It would have taken Charlie 8 hours to do the job alone. Which equation can be be used to solve for the rate 'r', for Sam to change all the light bulbs in the office building by himself.
Let Sam can change the bulbs in the office alone in 'r' hours
Per hour work done by Sam alone =
Let Sam takes he time to change the same bulbs in the office alone = 8 hours
Per hour work done by Sam =
Since, Sam and Charlie complete the work together in time = 3 hours
Therefore, per hour work done by both =
Equation for per work done by both will be,
Per hour work done by both = Per hour work done by Sam alone + Per hour work done by Charlie
Therefore, equation for the rate 'r' will be,
Answer:
Step-by-step explanation:
The Pythagorean Theorem is used to find a missing side length in a right triangle, and the formula is used to find the missing side, assuming a and b are legs, while c is the hypotenuse.