3 years ago

As I said, I’m bad at math but I need a bit more help!

Mathematics

1 answer:

trapecia [35]3 years ago

5 0

Could you show the problem? I am also bad at math but showing the whole problem might give you the right answer

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Simplify. <br><br> −3x3(−2x2+4x−3)

stepladder [879]

Answer:

$-3x^3(-2x^2+4x-3)$ simplifies to $6x^5-12x^4+9x^3$

Step-by-step explanation:

Given expression $-3x^3(-2x^2+4x-3)$

We have to simplify the above expression,

Consider the given expression $-3x^3(-2x^2+4x-3)$

Multiply each term in brackets by $-3x^3$ , we get,

$-3x^3(-2x^2+4x-3)=-3x^3(-2x^2)-3x^3(4x)[-3x^3(-3)$

Solving further, using $x^n\cdot x^m=x^{n+m}$ we get,

$-3x^3(-2x^2)-3x^3(4x)[-3x^3(-3)=6x^5-12x^4+9x^3$

Thus, $-3x^3(-2x^2+4x-3)$ simplifies to $6x^5-12x^4+9x^3$

4 0

3 years ago

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What is 0.1 more than 9.167?

Kamila [148]

Answer:

9.267

Step-by-step explanation:

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3 years ago

the area of aron's favorite poster is 6 square feet. the length of the poster is 3 feet. find the width of the poster

MatroZZZ [7]

Answer:

The width is 2 ft

Step-by-step explanation:

We know the area of a rectangle is

A = l*w

The area is 6 and the length is 3

6 = 3*w

Divide each side by 3

6/3 = 3w/3

2 =w

The width is 2 ft

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3 years ago

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Find the perimeter of a triangle with sides measuring 10 inches, 14 inches and 15 inches.

Flura [38]

Perimeter means finding the total area of the outside of the triange (so the sum of all sides).

If you need further help, let me know!

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3 years ago

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There are six muffins in a package. How many packages will be needed to feed 48 people if each person has two muffins

lawyer [7]

4 because 48 divided 2 equals 24 adn 24 divided by 6 equals 4

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3 years ago

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