lyssa128
10.01.2021 •
Mathematics
Is the equation a function?
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Ответ:
I do so believe the equation is a function
Step-by-step explanation:
if im wrong im so sorry
Ответ:
The numbers are 29, 87 and 129.
To find these, you have to first assume that the first number is equal to x. After that we can write statements for the other numbers based on that. The second number is three times the first, which makes it 3x. The third is 100 more than the first, which makes it x + 100. Now we can add these 3 together and set equal to 245 to solve.
x + 3x + x + 100 = 245 > Combine like terms
5x + 100 = 245 > Subtract 100 from both sides
5x = 145 > Divide both sides by 5
x = 29
You can then plug the 29 into each of the other equations to find the remaining numbers.
3x = 87
x + 100 = 129