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Lubov Fominskaja [6]
4 years ago
8

What does this equal?

Mathematics
1 answer:
myrzilka [38]4 years ago
4 0

Answer:

x²y²+xy²+3+xy+2y²

Step-by-step explanation:

(2x²y²+x²y+xy²+3)-(x²y²+x²y²+x²y-xy-2y²)

1. remove the parentheses (when there’s - in front of an expression  in parentheses  change the sign of each term of the expression)

2x²y² + x²y + xy² + 3-x²y² - x²y² - x²y + xy - 2y²

2. eliminate the opposites

2x²y² + xy² + 3 -x²y² + xy +2y²

3. collect like terms

x²y² + xy² + 3 + xy + 2y²

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Answer:

22?

I'm not sure but i will corect it if i'm wrong

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Make a place value drawing of a number that has double the number of tens as ones and three times a number of thousands as hundr
Anvisha [2.4K]
A  b  c  , d  e  f

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c = thousands
d = hundreds
e = tens
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a number that has a double the number of tens as ones.

a b c, d ΔΔ  Δ

and three times a number of thousands as hundreds

a b ∞∞∞ , ∞ ΔΔ Δ

The number would be: 3,121


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4 years ago
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Firlakuza [10]
30 x 5/6 = 25

The answer is 25 people

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3 0
4 years ago
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Which equation is y = 2x2 – 8x + 9 rewritten in vertex form?
pishuonlain [190]

we have

y=2x^{2} -8x+9


Group terms that contain the same variable, and move the constant to the opposite side of the equation

y-9=2x^{2} -8x


Factor the leading coefficient

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Complete the square. Remember to balance the equation by adding the same constants to each side

y-9+8=2(x^{2} -4x+4)

y-1=2(x^{2} -4x+4)


Rewrite as perfect squares

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therefore


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3 years ago
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erastovalidia [21]

Answer:

4x^3 - 3x^2 - 14x + 6 (this is the formula since we don't know x)

Step-by-step explanation:

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