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cordobamariana07
31.10.2020 •
Mathematics
A window washer clean 42 windows in 7 hours at this rate how many windows did he clean in 18 hours answers : A,108 B , 110 C, 106 D, 105
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Ответ:
Ответ:
Option A.
Step-by-step explanation:
We need to use this identity:
We know that the ramp forms an 8 degrees angle with the ground and the distance between the entry point of the ramp and the building is 7 feet (Observe the figure attached). Then:
To find how many feet from the ground is the end of the ramp to the nearest hundredth (represented with "x"), we need to substitute values into and solve for "x".
Then: