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OlgaM077 [116]
3 years ago
6

Simplify -3x + 2y + x - y

Mathematics
2 answers:
Amanda [17]3 years ago
8 0

Answer:

-2x+y

Step-by-step explanation:

zaharov [31]3 years ago
4 0
-2x+y I could do a whole explanation but I would prob want the answer
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This is distance & midpoint formulas I don’t know how to solve this can anyone help?
Tasya [4]

Answer:

midpoint formula: (x₁ + x₂)/2, (y₁ + y₂)/2

distance: √[(x₂ - x₁)² + (y₂ - y₁)²]

Step-by-step explanation:

What points are you trying to calculate the distance and the midpoint for?

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3 years ago
Need Help ASAP
iren2701 [21]
The sum of the interior angles of a triangle is 180 degrees

2x-9+3x+x+3=180
6x-6=180
6x=186
x=31

A=2(31)-9
A=62-9
A=53
8 0
3 years ago
351 students in 27 classes _____ students in each class
77julia77 [94]

Answer:

13

Step-by-step explanation:

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3 years ago
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Rationalize the denominator in each expression. That is, rewrite the expression so that there is a rational expression in the de
ad-work [718]

Answer:

explanations: we multiply with a rational surd

(x-9)*√(x+9)/(√(x-9)*√(x+9)

=(x-9)√(x+9)/

x {}^{2}   - 9

B.( x-9)/√x+3 =( x-9)*(√x-3)/(√x+3)*(√x-3)

= (x-9)*(√x-3)/x-9

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7 0
3 years ago
I NEED HELP LIKE NOW PLS!<br> I'll give you brainliest answer if you can help me ((:
Marta_Voda [28]
The first word of the question is cut out of the picture, so we don't exactly know what the assignment is. But we can see that the graph of f(x) will do something weird when x=-3, because the denominator will be zero, and division by zero doesn't even have a definition or meaning. Just for fun, you should go ahead and calculate the numerator when x=-3, and that totally blows your mind, because the numerator is zero too. So you've got. f(-3)= 0/0 , and I can pretty much guarantee that you won't be able to plot that point anywhere on the graph. (I'm pretty sure that f(-3) is actually going to turn out to be -13, but even if I'm correct, you probably haven't learned that little calculus trick yet, so don't worry about it. As far as you're concerned, f(-3) is 0/0, and can't be plotted.)
7 0
3 years ago
Read 2 more answers
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