Select the representation that does not change the location of the given point.(5, 100°)
A. (-5, 460)°
B. (5, 460)°
C. (-5, 190)°
D. (5, 280)°
Answer: B
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Provide an appropriate response.Consider the following figure, which is a square divided into two squares and two rectangles.
The length of each side of the large square is x + 2, which means that the area of the largest square is (x + 2)2. Use the formulas for the area of a square and the area of a rectangle to write the area of the largest square as a trinomial that represents the sum of the areas of the four figures that comprise it.
A. x2 + 4x + 4 B. x2 + 2x + 4 C. x2 + x + 4 D. x2 - 2x + 4
Assume that, at a certain college, 33% of all physics majors belong to ethnic minorities. Given a random sample of 10 physics majors, find the probability of the indicated event. Round your answer as appropriate.Seven or more belong to an ethnic minority.
A. .0032 B. .0154 C. .0185 D. .0028
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. inconsistent B. x = -5, y = 2; (-5, 2) C. x = -5, y = -2; (-5, -2) D. x = 2, y = -5; (2, -5)
Perform the indicated operation. Assume that all variables are nonnegative.(
+ 
)(
- 
)
A. -11
B. 15
C. 2 - 2
D. 2 - 2