My answer is 38 students
( 22 students take one or both subjects)
Answer:
Y=3x+5
Step-by-step explanation:
If we take x = 1, according to the first function (the answer) y would be 8.
Other options:
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Formula 3:
Y= 2^x+5 == 7
Formula 4:
Y = x+8 == 9
True answer = 10.
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Ok, so the last one seems more accurate lets test the first and last one on two more numbers:
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X = 15
Formula 1:
50
Formula 4:
23
True answer = 60.
The first formula wins.
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X= 10
Formula 1:
35
Formula 4:
18
True answer = 41
The first formula wins.
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So, we can see that the first formula is most accurate.
It is more than 0, because you cancel the x, and you get 2+5, which is 7
Hey!
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LCD stands for Lowest Common Denominator.
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Explanation:
So let's say we have the equation 1/9 * 16/27
We want to find the LCD of both fractions. To find the LCD of both fractions find a the lowest common denominator in both fractions.
In this equation the lowest common denominator is 27 because 9 can go in 27 and 27 can go into itself. Se basically 27 is the lowest possibly common denominator both fractions can get to.
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Hope This Helped! Good Luck ;)
