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Nikitich [7]
3 years ago
5

16.) (2x⁵y²)(4xy³) + (x⁴y⁴)(3x²y)

Mathematics
2 answers:
daser333 [38]3 years ago
5 0

Again, I'm really not sure if this is right, and please tell me where I got it wrong if I did.

16. 11x^{6} y^{5}

17. 18a^{4} b^{6}

I really hope this helps, and I feel really bad when someone asks me to help and I can't :((

tatuchka [14]3 years ago
4 0

16) Answer: 11x^6y^5

\left(2x^5y^2\right)\left(4xy^3\right)+\left(x^4y^4\right)\left(3x^2y\right)

=2x^5y^2\cdot \:4xy^3+x^4y^4\cdot \:3x^2y

=8x^6y^5+3x^6y^5

=11x^6y^5

17) Answer: 18a^4b^6

\left(4a^3b^4\right)\left(5ab^2\right)+\left(a^2b^5\right)\left(-2a^2b\right)

=4a^3b^4\cdot \:5ab^2-a^2b^5\cdot \:2a^2b

=20a^4b^6-2a^4b^6

=18a^4b^6

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If the slope of line l is x, and the slope of line m is x+2, and l⊥ m, what is x?
salantis [7]

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slope of l = x

slope of m = x +2

they are ⊥

Process

If they are ⊥, then,     x + 2  = - 1/x

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6 0
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A rectangle or piece of paper has a width is 3 inches less than its link it is cut in half along a diagonal to create two congru
kolezko [41]

The length and width of the rectangle is 11 in and 8 in respectively.

Step-by-step explanation:

Given,

The width of a rectangle is 3 in less than the length.

The area of each congruent right angle triangle = 44 in²

To find the length and width of the rectangle.

Formula

The area of a triangle with b base and h as height = \frac{1}{2}bh

Now,

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Here, for the triangle, width will be its base and length will be its height.

According to the problem,

\frac{1}{2}×(x+3)×x = 44

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or, x^{2}+11x-8x-88 =0

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So, x = 8 ( x≠-11, the length or width could no be negative)

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