A triangle with vertices at (x1, y1), (x2, y2), and (x3, y3) has area equal to the absolute value of D, where 
. Use this information to solve the problem.Use D to find the area of the triangle with vertices at P, Q, and R. P(0, -2), Q(0, 4), R(5, -1)
A. 15
B. 4
C. 0
D. 30
Answer: A
Mathematics
You might also like to view...
Solve the problem.A tree casts a shadow 36 m long. At the same time, the shadow cast by a 49-centimeter tall statue is 90 cm long. Find the height of the tree. Round to the nearest tenth.
A. 66.1 m B. 18.1 m C. 19.6 m D. 64.6 m
Mathematics
The growth of a town's population is modeled by 
. How large will the population be when 
?
? Please enter your answer as a number without the units, rounded to the nearest integer. Fill in the blank(s) with the appropriate word(s).
Mathematics
Evaluate the given expression.x3 when x is -3.
A. -9 B. -27 C. -6 D. 9
Mathematics
Simplify.10!
A. 121,645,100,408,832,000 B. 39,916,800 C. 362,880 D. 3,628,800
Mathematics