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Wewaii [24]
3 years ago
5

How to solve −3−6c=9c+5−15c

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
7 0
Can salvage 15c+ -15c is 0 + 8 is still 0
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Sanjay needs 90 meters of fence to go around a rectangular garden.
VladimirAG [237]
W + 3w = 90 is obviously wrong
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3 years ago
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Which property of polynomial addition says that the sum of two polynomials
ArbitrLikvidat [17]

Answer:

The property of polynomial addition that says that the sum of two polynomial is always a polynomial is called closure property of addition or under addition.

Polynomials are closed under addition because when you add polynomials the letters and their exponents do no change, you just add the coefficients of the like terms (those with same letters raised to the same exponents), so the result will be other polynomial of the same kind, except for the terms that cancel (positive with negative) which does not change the fact that the result is still a polynomial.

In mathematics the closure property means that the result of an operation over a kind of "number" will result in a "number" of the same kind.

7 0
3 years ago
What’s the value of 27.43? Write answer in a fraction
Nezavi [6.7K]

Answer:

As an improper fraction: 27 \frac{43}{100}

As a mixed fraction: \frac{2743}{100}

Step-by-step explanation:

Any number could be expressed as a fraction 27 is \frac{27}{1} and since 0.43 is forty-three hundredths we can express it as \frac{43}{100}.

To find the answer as a mixed fraction we have to put the whole number in the beginning and the fraction in the end. 27 \frac{43}{100}

As an improper fraction we have to add 27 / 1 + 43/100 = \frac{2743}{100}

4 0
3 years ago
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6. f(x) = x ^ 2 + 2x g(x) = 3x ^ 2 - 1
AVprozaik [17]

Answer:

3x^2+1

Step-by-step explanation:

7 0
3 years ago
2x+2+2x-17=180 what's x?
Alik [6]

Answer:

x= 48.75

Step-by-step explanation:

Add like terms

2x+2x and

2-17

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Now subtract -15 to both sides get x by itself

4x-15+15=180+15

4x=195

Now divide by four to each side to get x by itself again

4x/4 = 195/4

x=48.75

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3 years ago
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