Freddy wants an average grade of 93 from his four algebra exams. The scores for his first three exams are 94, 89, and 96. What g
1 answer:
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Answer:
x ≈ 26.4
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos47° = =
=
( multiply both sides by x )
x × cos47° = 18 ( divide both sides by cos47° )
x = ≈ 26.4 ( to the nearest tenth )