Solve the problem.Raul, who is 1.98 m tall, wishes to find the height of a tree. He walks 19.03 m from the base of the tree along the shadow of the tree until his head is in a position where the tip of his shadow exactly overlaps the end of the tree top's shadow. He is now 7.45 m from the end of the shadows. How tall is the tree? Round to the nearest hundredth.
A. 3.25 m
B. 7.04 m
C. 5.06 m
D. 0.78 m
Answer: B
Mathematics
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Translate the problem to a system of equations, then solve using matrices.A grain dealer sold to one customer 5 bushels of wheat, 2 of corn, and 3 of rye, for $18.50; to another, 2 of wheat, 3 of corn, and 5 of rye, for $22.50; and to a third, 3 of wheat, 5 of corn, and 2 of rye, for $19.50. What was the price per bushel for corn?
A. $2.06 B. $1.50 C. $2.00 D. $2.50
Mathematics
Simplify using scientific notation. Leave your answer in scientific notation.60002
A. 6 × 106 B. 6 × 107 C. 3.6 × 108 D. 3.6 × 107
Mathematics
Find the value of the expression.log864
A. 2 B. 16 C. 8 D. 64
Mathematics
Perform the indicated operation. Assume that all variables represent nonnegative real numbers.
- 
+ 
A. 3x
B. 3
C. 23
D. 23x
Mathematics