The angle of elevation from the tip of the shadow to the top of the tree is 36°. find the distance from the top of the tree to the tip of the shadow. round the answer to the nearest tenth. a.26.7 feetb.30.2 feetc.40.8 feetd.42.9 feet

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16 is the absolute value

step-by-step explanation:

a

step-by-step explanation:

"standard form:

3x2 + 14x − 10 = 0

solutions based on quadratic formula:

x1   = −14 − √ 142 − 4×3×(−10) /   2×3   = −14 − 2 × √ 79 /   6   ≈ −5.296

x2   = −14 + √ 142 − 4×3×(−10) /   2×3   = −14 + 2 × √ 79 /   6   ≈ 0.629