Answer:
33.6 feet
Step-by-step explanation:
Given : An ant looks up to the top of a tree with an angle of elevation of 38.
To Find: If the ant is 43 feet from the base of the tree, what is the height of the tree, to the nearest tenth?
Solution:
Refer the attached figure
An ant looks up to the top of a tree with an angle of elevation of 38.i.e.∠ACB= 38°
The ant is 43 feet from the base of the tree i.e.BC = 43 feet.
Now we are supposed to find the height of the tree i.e. AB
Now we will use trigonometric ratio
Hence the height of the tree is 33.6 feet.
In mathematics there is a rule of exponents where we can "distribute" the powers/exponents in the numerator and denominator of any expression. Therefore, given an expression as , the exponent n can be "distributed" as:
.
In our case, the power, n=11; a=7 and b=4. Thus, the expression , can be written as
.
Thus, out of the given options, option A is the correct option.
The function that is a tangent to the graph of f is
The definite integral can be interpreted as the resulting area of a region. In addition, it is a value in its result, that is, it does not depend on the variable x, which can be exchanged for any other variable without changing the value of the integral.
Knowing that :
therefore, f'(x)|x=a = -40, so only look for a we have:
if, x = -2, then y = 80 (since, 40x + y = 0), therefore, f(x) passes through (-2,80), so in the equation:
Therefore,
See more about tangent at brainly.com/question/401236
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