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kkurt [141]
3 years ago
11

Which quadrilateral does NOT always have two pairs of parallel sides? A. A Square B. A Parallelogram C. A Trapezoid D. A Rhombus

5th grade math
Mathematics
2 answers:
Yuliya22 [10]3 years ago
4 0
D a rhombus because it dosnt always have congruent sides
lilavasa [31]3 years ago
4 0

Answer:d a rhombus because it dosnt always have congruent sides

Step-by-step explanation:

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When subtracting decimals with the same sign you ______________.
Rus_ich [418]

Hey there!

Answer:\boxed{\text{Line up the decimal}}

Explanation:

When always adding or subtracting, you <em>always</em> have to <u>line up the decimal</u>.

When subtracting decimals with the same sign you <u>Line up the decimal</u>.

Hope this helps!

3 0
3 years ago
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Which is true about the degree of the sum and difference of the polynomials 3x5y – 2x3y4 – 7xy3 and –8x5y 2x3y4 xy3?.
ki77a [65]

The degree of the sum and difference of the polynomials are 6 and 7 respectively.

given polynomials are:

3x^5-2x^3y^4-7xy^3

-8x^5y+2x^3y^4+xy^3

the sum of polynomials = -5x^5y-6xy^3

the difference of polynomials = 11x^5y-4x^3y^4-8xy^3

<h3>what is the degree of a polynomial?</h3>

A polynomial's degree is the highest or the greatest power of a variable in a polynomial equation.

degree of sum = monomial with highest power = 5+1=6

degree of difference = monomial with highest power = 3+4 = 7

therefore, the degree of the sum and difference of the polynomials are 6 and 7 respectively.

to get more about polynomials refer to:

brainly.com/question/1600696

4 0
2 years ago
Prove the polynomial identity.
aleksandr82 [10.1K]

Explanation:

Since we have given that

(2x+1)^2-2(2x+1)

Now, we have to prove it as

(2x+1)(2x-1)

Now, start the iterations:

(2x+1)^2-2(2x+1)\\\\=4x^2+1+4x-4x-2\\\\=4x^2+1-2\\\\=4x^2-1\\\\=(2x)^2-1\\\\=(2x+1)(2x-1)

So, first blank will be filled with

4x^2+4x+1

Second blank will be filled with

4x^2-1

Hence proved.

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3 years ago
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beks73 [17]
I can’t see, make it clear
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3 years ago
Eric wants to buy a camera that is 145.00$ but he has cupon of 30% off how much would he have to pay.
Furkat [3]

Answer:

101.5

Step-by-step explanation:

7 0
3 years ago
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