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4 years ago

What is the surface area of this

Mathematics

1 answer:

Taya2010 [7]4 years ago

8 0

6.7*6.7 to find the surface area of the base which is 44.89
4*1/2*10.1*6.7 to fix the surface area of all four triangular faces which is 135.34
Plus them together 44.89+135.34 which is 180.23

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For the polynomial 6xy2 – 5x2y? + 9x2 to be a trinomial with a degree of 3 after it has been fully simplified, the missing expon

Karolina [17]

Consider the polynomial $6xy^2-5x^2y^?+9x^2$ .

For this polynomial to be trinomial with a degree of 3. We have to identify the missing exponent of the 'y' term.

Let the missing exponent of the 'y' term be 0

So, the polynomial will be $6xy^2-5x^2y^0+9x^2$

= $6xy^2-5x^2+9x^2$

= $6xy^2+4x^2$ which is not a trinomial, which is a binomial.

So, the missing exponent of 'y' can'not be zero.

Let the missing exponent of the 'y' term be 2

So, the polynomial will be $6xy^2-5x^2y^2+9x^2$

= $6xy^2-5x^2y^2+9x^2$

= $6xy^2-5x^2y^2+9x^2$ which is a trinomial of degree 4.

So, the missing exponent of 'y' can'not be '2'.

If we will take the missing exponent of 'y' more than 2, than the degree of the given polynomial will not be 3 anymore.

Let the missing exponent of the 'y' term be 1

So, the polynomial will be $6xy^2-5x^2y^1+9x^2$

= $6xy^2-5x^2y+9x^2$

= $6xy^2+4x^2$ which is a trinomial of degree 3

So, the missing exponent of 'y' is 1.

7 0

4 years ago

Read 2 more answers

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xeze [42]

It’s is 28 I will explain how to do it first times 8x6 then subtract 12 and 4 and the two numbers u get add them and then divide it by 2

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3 years ago

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3 years ago

A fruit basket contains the same number of apples and pears. If Eric eats 5 apples and 1 pear, there will be twice as many pears

galina1969 [7]

8 Pears will remain in the basket

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3 years ago

-6 -5(6x-4) <br><br> Explain please

Zolol [24]

$\qquad\qquad\huge\underline{{\sf Answer}}$

let's evaluate ~

$\qquad \sf \dashrightarrow \: - 6 - 5(6x - 4)$

$\qquad \sf \dashrightarrow \: - 6 - [(5 \cdot6x) - (5 \cdot4)]$

$\qquad \sf \dashrightarrow \: - 6 - (30x - 20)$

$\qquad \sf \dashrightarrow \: - 6 -30x + 20$

$\qquad \sf \dashrightarrow \: - 30x + 14$

I hope you understood the whole procedure ~

7 0

2 years ago