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3 years ago

How many coefficients are in the expression 1/3y^2 - 18y + 9- 2y^-2

Mathematics

1 answer:

docker41 [41]3 years ago

4 0

There are four coefficients in that expression, so the coefficients are 1/3, -18, 9, and -2.

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William has a 26-liter glass tank. First, he wants to put some marbles in it, all of the same volume. Then, he wants to fill the

Lilit [14]

The volume of the marbles is 26-20.9 = 5.1 l and there ar e85 marbles

5.1/85 = .06 l/marble

then 200 marbles would requrie .06 l/marble x 200 marbles = 12 liters

so he would only need 26-12= 14 liters of water to fill the tank !

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3 years ago

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Answer:

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3 years ago

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A pyramid has a height of 8 inches and a volume of 120 cubic inches. Determine 2

Pie

Answer:

1. 9 * 5 in.

2. 3 * 15 in.

Step-by-step explanation:

Volume = 1/3 * area of the base * height

120 = 1/3 * A * 8

So A = 120 / (8/3)

= 120 * 3/8

= 45 in^2.

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3 years ago

Given the formula for the perimeter of a rectangle where l represents the length and w represents the width.

telo118 [61]

The answer would be b) the 2 represents the two width pairs

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4 years ago

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Multiple polynomial the (x^3+3x^2+1)(3x^2+6x-2)

Mrrafil [7]

The product of given polynomials is: $3x^5+15x^4-16x^3-3x^2+6x-2$

Step-by-step explanation:

Given polynomials are:

$(x^3+3x^2+1)\\and\\(3x^2+6x-2)$

In order to multiply both polynomials, we will use the distributive property

So,

$= (x^3+3x^2+1)(3x^2+6x-2)\\=x^3(3x^2+6x-2)+3x^2(3x^2+6x-2)+1(3x^2+6x-2)\\=3x^5+6x^4-2x^3+9x^4+18x^3-6x^2+3x^2+6x-2$

Combining like terms

$=3x^5+6x^4+9x^4-2x^3+18x^3+3x^2-6x^2+6x-2\\=3x^5+15x^4-16x^3-3x^2+6x-2$

Hence,

The product of given polynomials is: $3x^5+15x^4-16x^3-3x^2+6x-2$

Keywords: Polynomials, variables

Learn more about polynomials at:

#LearnwithBrainly

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4 years ago