Will someone explain or help me with this question
1 answer:
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Answer:
The answer is option C : 5%.
Step-by-step explanation:
Jack typed 80 words per minute when he enrolled in a typing course.
His typing speed increased by 3% two weeks into the course.
At the end of the course, Jack was able to type his entire 1, 680 word document In 20 minutes.
Hence, the percent of increase in his typing speed from the beginning of the course to the end is given by:
=5%
Therefore, the answer is option C : 5%.
Answer:
The length of ST to the nearest tenth of a foot is 5.2 ft
Step-by-step explanation:
Here we have
∡T = 90°
∡R = 64°
RS = 5.8 ft
To answer the question, we have apply sine rule as follows;
Therefore, for triangle RST, we will have;
Therefore;
from which
Therefore, the length of ST to the nearest tenth of a foot = 5.2 ft.