Provide an appropriate response.If 9 is substituted for x in the rational expression 
, the result is 
. An often-heard statement is "Any number divided by itself is 1." Does this mean that this expression is equal to 1 for x = 9? Explain why or why not.
What will be an ideal response?
No. Explanations will vary.
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Change the following to rectangular form.
20œ30ø a. 10 + j8 b. 17 + j10 c. 22 + j13 d. 21 + j10
Solve the problem.Two boats are pulling a disabled vessel toward the landing dock with forces of 920 lb and 840 lb. The angle between the forces is 23.7°. Find the direction and magnitude of the equilibrant.
A. 1723 lb at an angle of 168.7° with the 920-lb force B. 1723 lb at an angle of 78.7° with the 840-lb force C. 172 lb at an angle of 168.7° with the 920-lb force D. 1723 lb at an angle of 11.3° with the 920-lb force
Use the pattern to make a conjecture. Then, use the conjecture to find the next product.
Multiply.(6x - 2)(2x2 - 9)
A. 12x2 - 58x + 18 B. 12x3 - 4x2 - 54x + 18 C. 12x3 - 58x2 + 18 D. 12x3 + 18