Suppose that a triangle has legs a and b and hypotenuse c, as illustrated in the figure. Then these values satisfy 
Use the Pythagorean Theorem as described above to find the value of x in the figure.
A. -3
B. -5
C. 3
D. 5
Answer: D
Mathematics
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Solve the problem.Given that 
= -46, use the properties of determinants to evaluate 
.
A. 0 B. -46 C. 1 D. 46
Mathematics
Determine whether the given value is a solution of the inequality.-4x ? 10, x = 
A. No B. Yes
Mathematics
Find the unit vector in the direction of the given vector. Write your answer in the indicated form.Let u = 
. Find the unit vector in the direction of u, and write your answer as a linear combination of the standard unit vectors i and j.
A. 
i + 
j
B. 
i + 
j
C. i + j
D. 
i + 
j
Mathematics
Determine whether the infinite geometric series converges or diverges. If it converges, find its sum.1 + 
+ 
+ ...
A. Converges; 
B. Converges; 1
C. Converges; 
D. Diverges
Mathematics