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alexandr1967 [171]

2 years ago

7

Translate the statements in english where c ( x, y ) means that student x is enrolled in class y, where the domain of x consists

of all students in your school and the domain of y consists of all classes being offered at your school.

1 answer:

Galina-37 [17]2 years ago

6 0

C(x+y) there's your answer ratattoo

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The sum of two numbers is 31.5. The difference is 5.25. Find the numbers

ANTONII [103]

X+y=31.5
x-y=5.25

add 2 equations
x+y+x-y=31.5+5.25
2x=36.75
x=18.375
y=31.5-18.375=13.125
check : 18.375+13.125=31.5, 18.375-13.125=5.25
so
Answer:
18.375 and 13.125

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3 years ago

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Answer:

-33

Step-by-step explanation:

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2 years ago

Factor completly: x^2-2x-24

melisa1 [442]

<span>x^2-2x-24 = (x - 6)(x + 4)

cause
</span>(x - 6)(x + 4)
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answer
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hope it helps

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3 years ago

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Step-by-step explanation:

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How do we solve this?<br> (No need to find x)

Genrish500 [490]

Answer:

Hi,

Step-by-step explanation:

We can't solve that but reduce it to the same denominator.

$\dfrac{x+5}{x}+\dfrac{x+8}{x-1}\\\\=\dfrac{(x+5)(x-1)+x(x+8)}{x(x-1)}\\\\=\dfrac{x^2+5x-x-5+x^2+8x}{x(x-1)}\\\\=\dfrac{2x^2+12x-5}{x(x-1)}\\$

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2 years ago