3 years ago

Which of these sentences is always true for a parallelogram?

Mathematics

2 answers:

Lubov Fominskaja [6]3 years ago

7 0

Opposite angles are congruent.

Murljashka [212]3 years ago

4 0

The answer is d. opposite angles are congruent.

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I need this answered in ONE minute

Helen [10]

Answer:

$x^4 + 4x^3 + 6x^2 + 7x + 2$

Step-by-step explanation:

We are asked to multiply the given polynomials.

$(x^ 2 + 3x + 1) \times (x^2 + x + 2)$

Multiply each term of the first polynomial to each term of the second polynomial.

$x^ 2 \times (x^2 + x + 2) = x^4 + x^3 + 2x^2$

$3x \times (x^2 + x + 2) = 3x^3 + 3x^2 + 6x$

$1 \times (x^2 + x + 2) = x^2 + x + 2$

Add the results

$(x^4 + x^3 + 2x^2) + (3x^3 + 3x^2 + 6x) + ( x^2 + x + 2)$

Combine the like terms

$x^4 + 4x^3 + 6x^2 + 7x + 2$

The answer is written in descending powers of x.

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2 years ago

I need some help on this question I don’t understand it that well.

bearhunter [10]

Answer:

the left hand side is equals to |13| which is nothing but 13 so is the right hand side.

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1 year ago

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Determine the domain with symbols, will give brainlist

navik [9.2K]

Answer:

-3 > x > 7

Step-by-step explanation:

Since the domain is the x, there are open circles, and it ends, then x could equal -3 > x > 7

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2 years ago

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Liula [17]

Answer: C

Step-by-step explanation:

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110% of 90 is what number a ? ? = 110 over 100 please help

densk [106]

Answer:

90 is the orrect answer because I said so

Step-by-step explanation:

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