Answer:
17
Step-by-step explanation:
Using the law of cosines in ΔABC
b² = a² + c² - (2ac cosB) ← substitute in values
= 25² + 28² - (2 × 25 × 28 × cos36.9°)
= 625 + 784 - 1400 cos36.9°
= 1409 - 1400 cos36.9° ( Take the square root of both sides )
b =
≈ 17 ( nearest whole number )
Answer:
A)-7
B)2
C)-2
D)-4
Step-by-step explanation:
Answer:
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Step-by-step explanation:
vb hgetyhrtewr34y4j4htredwed5g
Answer:d
Step-by-step explanation:
42/48 in simplest form is 7/8