Solve. If necessary, round to the nearest tenth.If a flagpole 9 feet tall casts a shadow that is 12 feet long, find the length of the shadow cast by an antenna which is 21 feet tall.
A. 5.1 ft
B. 24 ft
C. 28 ft
D. 15.8 ft
Answer: C
Mathematics
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Match the vector equation with the correct graph.
r(t) = (1 - t2)j + 3tk; -1 ? t ? 1
A. Figure 4 B. Figure 7 C. Figure 2 D. Figure 8
Mathematics
Solve. Remember to insert units when writing your answer.Sara wants to consume no more than 5.1 g of saturated fat with her breakfast. If her tea with milk contains 148 mg of saturated fat, how much more saturated fat can she have with her breakfast?
A. 49.52 mg B. 4.952 g C. 3.62 g D. 4952 g
Mathematics
Simplify.
A. 7 B. 9 C. 3 D. 8
Mathematics
The matrix is the final matrix form for a system of two linear equations in variables x1 and x2. Write the Solution of the system.
A. x1 = 3 x2 = 5 B. x1 = -5 x2 = -3 C. x1 = 5 x2 = t for any real number t D. x1 = 5 x2 = 3
Mathematics