Answer: (1,2)
Step-by-step explanation:
I will help you..
Given:
Lets cancel out the x term..
Now our system looks like this:
Add.
plug in 2 for y
Therefore the system is:
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$10,000 X 0.05 = $500/year
500 X 4 years = $2,000 after 4 years
Answer:
210 beats
Step-by-step explanation:
28 beats per 4 seconds
28 ÷ 4 = 7
7 beats per second
7 beats · 30 seconds
= 210 beats
Since in one mile there are 1760 yards, then in 5 miles=1760x5=8800 yards.
Answer: If the number of bills counted is odd, the ones digit is 5; if the number of bills is even, the ones digit is 0.
Explanation
1) Simulate the counting of the bills:
number of bills counted value ones digit
1 5 5
2 5 + 5 = 10 0
3 10 + 5 = 15 5
4 15 + 5 = 20 0
5 20 + 5 = 25 5
6 25 + 5 = 30 0
2) Pattern: you can see that the ones digit alreternate: 5, 0, 5, 0, 5, 0, ...
If the number of bills counted is odd the ones digit is 5, if the number of bills is even the ones digit is 0.
