Translate the expression into the language of algebra. Use the variable x to represent the number.3 more than seven times a number
A. 3x + 7
B. 7 + 3 + x
C. 3 - x + 7
D. 7x + 3
Answer: D
Mathematics
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Solve the problem.A diving pool that is 10 m deep and full of water has a viewing window on one of its vertical walls. Find the force on a square window, 2.5 m on a side, with the lower edge of the window 1 m from the bottom of the pool.
A. 940,187.5 N B. 232,750 N C. 474,687.5 N D. 707,437.5 N
Mathematics
Add or subtract and write answer in lowest terms.15
- 6
A. 8
B. 9
C. 7
D. 8
Mathematics
Solve the problem.In circuits, current entering a node (connection) must equal all the current exiting the node. In the circuit diagram, how many amps (A) must the missing current be?
A. 25 A B. 59 A C. 38 A D. 45 A
Mathematics
Graph the curve.r = 4 - 4 cos ? (cardioid)
A. 
B. 
C. 
D. 
Mathematics