Answer the question.A lot is in the shape of a right triangle. The shorter leg measures 120 meters. The hypotenuse is 40 meters longer than the length of the longer leg. If the length of the longer leg is x, what is the length of the hypotenuse in terms of x?
A. x - 40
B. x + 40
C. 40 - x
D. 40x
Answer: B
Mathematics
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Solve the problem.If w = 4i - 4j - k, find a vector perpendicular to both w and j + k.
A. -4i + 8j + 4k B. -2i + 4j - 4k C. 4i - 4j - 3k D. -3i - 4j + 4k
Mathematics
The calculator graphs shows the x-values of the x-intercepts of the graph of the polynomial in the equation. Use the graphs to solve the equation.4x2 -20x +21 = 0
A. {-3.5, -1.5} B. {1.5, 3.5} C. {6, 14} D. {-29, 21}
Mathematics
Write a mathematical expression for the word phrase.-4
increased by 3
A. -4
- 3
B. 3
+ 4
C. -4
+ 
D. -4
+ 3
Mathematics
Solve the inequality. Express your answer using interval notation. Graph the solution set.4x + 1 > 3x - 4
A. (-3, ?)
B. (-?, -5]
C. [-5, ?)
D. (-5, ?)
Mathematics