What is the product of 58 and 1,000
2 answers:
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Answer:
C. x+y = 1 and -x-y = -1
Step-by-step explanation:
Remember that if a system of equations has an infinite number of solutions, then the resulting equation from using the first step of the elimination method would have no variables and would be true.
1) Let's try canceling out the equations in option C, x+y =-1 and -x-y =-1. Add the two equations together. (Work shown in attached picture.)
2) All of the terms cancel out with each other, leaving only a true statement of 0 = 0. Thus, option C is the answer.
Answer:
which is an irrational number
Step-by-step explanation:
Recall that the repeating decimal 0.7373737373... can be written in fraction form as:
Now, let's write the number 147 which is inside the square root in factor form to find if it has some perfect square factors:
Then, 7 will be able to go outside the root when we compute the final product requested:
This is an irrational number due to the fact that it is the product of a rational number (quotient between 511 and 99) times the irrational number