Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 3x + 17
B. 21
C. 
D. 7
Answer: D
Mathematics
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Solve the problem.One rope pulls a barge directly east with a force of 40 N, and another rope pulls the barge directly north with a force of 82 N. Find the magnitude of the resultant force acting on the barge.
A. 3300 N B. 122 N C. 42 N D. 91 N
Mathematics
Solve the problem by writing and using a system of linear equations.Two numbers have a sum of 138 and a difference of 28. Find the numbers.
A. 86, 58 B. 166, -28 C. 73, 65 D. 83, 55
Mathematics
Solve, using the substitution method, and check.
A. (3, 12) B. (16, 7) C. (9, 8) D. (8, 7) E. (11, 10)
Mathematics
Add and simplify. Write the answer as a mixed number as needed. 1
+ 20
+ 5
A. 29
B. 27
C. 28
D. 28
Mathematics