6x + 4y = 22
+
2x - y = 1
____________
8x + 3y = 23
X = 2. I hope this helps.
Answer:
any value of a makes the equation true.
Step-by-step explanation:
13 1/4 miles is what I got from multiplying the distance of the trail by the amount of times he walked around it
Using the Fundamental Counting Theorem, it is found that there are 10 positive three-digit integers have the hundreds digit equal to 7 and the units (ones) digit equal to 1.
<h3>What is the Fundamental Counting Theorem?</h3>
It is a theorem that states that if there are n things, each with ways to be done, each thing independent of the other, the number of ways they can be done is:
The number of options for each selection are given as follows, considering there are 10 possible digits, and that the last two are fixed at 7 and 1, respectively:
Hence, the number of integers is given by:
N = 10 x 1 x 1 = 10.
More can be learned about the Fundamental Counting Theorem at brainly.com/question/24314866
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