deraldw0509
29.07.2020 •
Mathematics
Click friends For a market research, a questionnaire on the use of three devices is submitted to the students of a class: computer, tablet, smartphone. The answers show that all the children use at least one tool, namely: 18 children have computers; 19 the tablet; 13 the smartphone; 11 the computer and the tablet; 8 the tablet and smartphone; 9 the computer and smartphone; 7 all three appliances. Determine how many students have: to. the smartphone and the computer, but not the tablet; b. only the smartphone. c. How many students are in the class?
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Ответ:
The height of the kite off the ground is 155.562 feet
Step-by-step explanation:
Given
Required
Determine the height the kite is from the ground
This question is best explained with the following attachment
From the attachment, we have that the illustration of the question forms a right angled triangle triangle and required to solve for h
The relationship between h, 220 and 45 degrees is:
Where
So, we have:
Multiply both sides by 220
Hence, the height of the kite off the ground is 155.562 feet