Solve the problem.The figure shown here shows a rectangle inscribed in an isosceles right triangle whose hypotenuse is 8 units long. Express the area A of the rectangle in terms of x.
A. A(x) = 2x(x - 4)
B. A(x) = x(4 - x)
C. A(x) = 2x2
D. A(x) = 2x(4 - x)
Answer: D
Mathematics
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Factor completely, or state that the polynomial is prime.x2 - 10x + 100
A. prime B. (x + 10)(x - 10) C. (x - 10)2 D. (x + 10)2
Mathematics
Add. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics
Perform the operation and simplify, or solve the equation for the variable.
+ 
= 
A. 40 B. 48 C. 240 D. 0
Mathematics
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Mathematics