Try this solution (based on 3 steps: equation of the line; points in this line; equation of the plane).
Which expression is equivalent to 3(1 + x) + 7? B) x + 10 9 3x + 7 D 3x + 10
1 answer:
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Answer:
x = 7.99 cm
Step-by-step explanation:
By applying cosine rule in the given triangle,
AC² = AB² + BC² - 2(AB)(AC)cosC
Substitute the measures of the sides and the angle in this formula,
x² = 6² + 10² - 2(6)(10)cos(53°)
x² = 36 + 100 - 72.217
x² = 63.782
x = √(63.782)
x = 7.99 cm
