Evaluate the determinant of the matrix below to determine which of the following makes the equation true.
A. 
B. 
C. 
D. 
E. 
Answer: D
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Provide an appropriate response.Use the fact that an isosceles triangle is congruent to itself to answer the following: (i) Write a congruence correspondence between an isosceles ?VWX and itself when VW = WX. (ii) Use your answer in (i) to show that the the base angles in an isosceles triangle are congruent.
A. (i) ?WXV ? ?WVX (ii) ?W ? ?X by CPCTC B. (i) ?WVX ? ?XWV (ii) ?V ? ?X by CPCTC C. (i) ?WXV ? ?WVX (ii) ?V ? ?X by CPCTC D. (i) ?WVX ? ?XWV (ii) ?V ? ?W by CPCTC
Find the missing length in the right triangle. If necessary, round to the nearest tenth.
A. 45 ft B. 6.7 ft C. 22.5 ft D. 4.5 ft
Write as a percent. Round the percent to the nearest tenth if necessary.
A. 800% B. 8% C. 0.8% D. 80%
Solve the problem.While on a business trip, Amy pays $175 per day to stay in a hotel, plus $20 per meal purchased at a restaurant. Amy's company will reimburse her at most $675 for the entire trip. Let d = the number of days and m = the number of meals. (a) Write an inequality that describes Amy's trip expense limitations. (b) Graph the inequality. Because d and m must be non-negatve, restrict the graph to Quadrant I. (c) If Amy stays in the hotel 2 days and purchases 8 meals at restaurants, will she be within her budget?
A. (a) m ? 33.75 - 8.75d;
(b)
(c) yes
B. (a) m ? -33.75 + 8.75d;
(b)
(c) yes
C. (a) m ? 33.75 + 8.75d;
(b)
(c) no
D. (a) m ? 33.75 - 8.75d;
(b)
(c) no