It takes 7 seconds for the pebble to hit the ground, t is time and h(t) is height in feet.
<h3>What is the equation?</h3>
A mathematical statement consisting of an equal symbol between two algebraic expressions with the same value is known as an equation.
Given data;
Equation of height as a function of time;
Height of cliff= 784 feet
Equate the data;
Hence, it takes 7 seconds for the pebble to hit the ground.
To learn more, about equations, refer;
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Which sentence uses a conjunctive adverb correctly?
The kite was hopelessly tangled in electrical wires, still, the little girl's father struggled to get it down.<span>The kite was hopelessly tangled in electrical wires; still, the little girl's father struggled to get it down.
</span>
Answer:
70
Step-by-step explanation:
1) Tan45 = 1
2) Sin70 = 0.9397
3) Cos30 = 0.8660
4) Cos20 = 0.9397