If a tree casts a shadow of 5 ft 7 in. at the same time that a 5-ft 7-in. person casts a shadow of 1 ft 6 in., find the height of the tree (to the nearest inch).
?
__________ ft __________ in
What will be an ideal response?
20; 9
Mathematics
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Provide an appropriate response.Derive the identity sec-1(-x) = ? - sec-1 x by combining the following two equations:cos-1(-x) = ? - cos-1 xsec-1 x = cos-1(1/x)
What will be an ideal response?
Mathematics
Solve the problem.Suppose that a family has 5 children and that the probability of having a girl is 
. What is the probability of having at least four girls?
A. 0.0313 B. 0.1563 C. 0.3125 D. 0.1875
Mathematics
Fill in the blank with the correct symbol <, >, or =, to make a true statement.-7 
0
A. = B. > C. <
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Mathematics