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Lerok [7]
3 years ago
10

In a class, every student knows French or German (or both). 15 students know French, and 17 students know German.What is the lar

gest possible number of students in that class?
Mathematics
1 answer:
djverab [1.8K]3 years ago
6 0

Answer:

32

Step-by-step explanation:

n(G or F) = n(G) + n(F) - n(G and F)

Total will be the greatest when the intersection is empty

Largest number = 15 + 17 = 32

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Write the slope intercept form of the equation of the line through the given points. (5,-1) and (-5,2)
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Answer:

y=-\frac{3}{10} x+\frac{1}{2} or -\frac{3}{10}

Step-by-step explanation:

first use the y2-y1/x2-x1 formula then use y=mx+b after

plug in 2 for y2 and -1 for y1

plug in -5 for x2 and 5 for x1

\frac{2-(-1)}{-5-5}=

2+1=3

-5-5=-10

-\frac{3}{10} is ur slope

_____________________

this is the y=mx+b formula *extra info ig*

i usually use the first point for this but u can use watever point u want

plug in 5 for x

plug in -1 for y

and plug -3/10 for m

-1=-3/10(5)+b

-3/10*5=-3/2

-1=-3/2+b

add -3/2 on both sides

-1+3/2=1/2

1/2=b and b is ur y-intercept

y=-3/10x+1/2

hope this helps

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