Find the mean of a student's test scores if e earned 93, 91, 85, 90, and 91 points on five ests. 89 89.5 90 90.5 91

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
Problem 3E
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8. Find the mean of a student's test scores if
he earned 93, 91, 85, 90, and 91 points on five
tests.
89
89.5
90
90.5
91
9. A child is flying a kite with a 30-ft string at
an angle of elevation of 40°. Which of the
following gives the altitude of the kite in feet?
30 sin 40°
30
sin 40°
30 tan 40°
30
tan 40°
10. The sale price of a book after a 20%
discount is $10. What was its original price?
$10.20
$12.00
$12.50
$13.33
Transcribed Image Text:8. Find the mean of a student's test scores if he earned 93, 91, 85, 90, and 91 points on five tests. 89 89.5 90 90.5 91 9. A child is flying a kite with a 30-ft string at an angle of elevation of 40°. Which of the following gives the altitude of the kite in feet? 30 sin 40° 30 sin 40° 30 tan 40° 30 tan 40° 10. The sale price of a book after a 20% discount is $10. What was its original price? $10.20 $12.00 $12.50 $13.33
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