Determine whether the following is always true or not always true. Given reasons for your answers.(u × v) ? v = 0
What will be an ideal response?
Always true because u × v and v are orthogonal
Mathematics
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Four players (Alli, Blake, Corey, and Devin) are sharing a cake. Suppose that the cake is divided into four slices s1, s2, s3, and s4.To Devin, s1 is worth $2.70, s3 is worth $3.90, s2 and s4 have equal value, and the entire cake is worth $14.00. Determine which of the four slices are fair shares to Devin.
A. s2, s3, and s4 B. s1 and s2 C. s2 and s4 D. s1, s3, and s4 E. s3 and s4
Mathematics
Subtract. Write the answer in lowest terms as a mixed number.
A. 12
B. 10
C. 13
D. 12
Mathematics
Use the properties of equality to solve the equation.
x = - 
A. - 
B. - 
C. - 
D. - 
Mathematics
Simplify. Assume that all variables represent positive real numbers.5
+ 
A. 8
B. 5
+ 
C. 15
D. 6
Mathematics