Solve the problem.Syed, who is 1.87 m tall, wishes to find the height of a tree with a shadow 30.90 m long. He walks 19.88 m from the base of the tree along the shadow of the tree until his head is in a position where the tip of his shadow exactly overlaps the end of the tree top's shadow. How tall is the tree? Round to the nearest hundredth.
A. 2.91 m
B. 5.24 m
C. 3.07 m
D. 1.87 m
Answer: B
Mathematics
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Evaluate the integral.
A. - 
y2 cos 7y + 
y sin 7y + 
cos 7y + C
B. - 
y2 sin 7y + 
y cos 7y + 
sin 7y + C
C. - 
y2 cos 7y + 
y sin 7y + 
cos 7y + C
D. 
y2 cos 7y - 
y sin 7y - 
cos 7y + C
Mathematics
Find the indicated limit or state that it does not exist.
cos 
A. 0
B. 
C. 1
D. No limit
Mathematics
Simplify, leaving exponents in the answer.
A. x13 - x4
B. 
C. x17
D. x9
Mathematics
Provide an appropriate response.Suppose an initial investment grows from $12,000 to $30,000 over ten years. First find the nominal rate compounded quarterly and then find the equivalent effective rate.
Fill in the blank(s) with the appropriate word(s).
Mathematics