Solve the problem.Forensic scientists use the lengths of certain bones to calculate the height of a person. When the femur (the bone from the knee to the hip socket) is used, the following formula applies for men: 
where h is the height and f is the length of the femur (both in centimeters). Find the height of a man with a femur measuring 54 centimeters.
A. 190.05 cm
B. 6.74 cm
C. 123.09 cm
D. 3851.82 cm
Answer: A
Mathematics
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Solve by using the Superposition Theorem:
R1 = 4.7 Kê, R2 = 3.3 Kê, R3 = 5.1 Kê, E1 = 40 V, and E2 = 20 V.
Find the value of VR .
2
a. 0.488 V
b. 0.732 V
c. 0.363 V
d. 5.04 V
e. 11.44 V
Mathematics
Solve the problem.The distance that an object falls when it is dropped is directly proportional to the square of the amount of time since it was dropped. An object falls 288 feet in 3 seconds. Find the distance the object falls in 5 seconds.
A. 160 ft B. 800 ft C. 480 ft D. 15 ft
Mathematics
Solve the equation.log2 x = 3
A. 
B. 
C. 
D. 
Mathematics
Answer the question.What does the digit 7 mean in the number 189,247?
A. 7 hundreds B. 7 tens C. 7 thousands D. 7 ones
Mathematics