Jordan worked 32 hours last week and earned $6.25 per hour. Use front-end estimation to find a reasonable estimate of the total
1 answer:
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Answer:
∠ Y ≈ 32.7°
Step-by-step explanation:
Using the law of Cosines
cosY =
with x = 90, y = 55, z = 50
cosY = =
=
, then
∠ Y = (
) ≈ 32.7° ( to the nearest tenth )