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3 years ago

12

What is the value of x?enter your answer in the box.x = _____

1 answer:

DiKsa [7]3 years ago

7 0

Triangle = Equilateral Triangle

Therefore, all sides are equivalent to each other.

WORKING OUT:

5x - 22 = 4x - 10
5x - 4x = - 10 + 22
x = 12

CHECKING USING OTHER EQUATION COMBINATIONS:

4x - 10 = 3x + 2
4x - 3x = 2 + 10
x = 12

5x - 22 = 3x + 2
5x - 3x = 2 + 22
2x = 24
x = 24 / 2
x = 12

ANSWER:
x = 12

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How many notebooks do you think it would take to make a stack that is 5 feet high?

aev [14]

Answer:

There are total 30 books in the 5 feet high stack of books.

Step-by-step explanation:

The complete question is

Given, Each note book is 2 inches thick, How many notebooks do you think it would take to make a stack that is 5 feet high

Solution

Thickness of each book $= \frac{2}{12} = \frac{1}{6}$

The total height of the book stack is $5$ feet.

The number of books in the stack is equal to total height of the stack divided by the thickness of one book

Number of books in five feet high stack is

$\frac{5}{\frac{1}{6} } \\5 * \frac{6}{1} \\30$

Hence, there are total 30 books in the 5 feet high stack of books.

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3 years ago

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3 years ago

Factoring by grouping<br><br> x^2 + 4y + 2x + 2xy<br> pls explain with work too!!!

Gennadij [26K]

${x}^{2} + 4y + 2x + 2xy$

We can factorise this expression by grouping. First let us arrange it in this way

$= {x}^{2} + 2xy + 2x + 4y$

Let us bracket them like this:

$= ( {x}^{2} + 2xy) + (2x+ 4y)$

In the first bracket portion, take x as common and in the second expression, take 2 as common.

$= x(x + 2y) + 2(x + 2y) \\ = (x + 2)(x + 2y)$

<u>Answer</u><u>:</u>

$(x + 2)(x + 2y)$

Hope you could understand.

If you have any query, feel free to ask.

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Read 2 more answers

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max2010maxim [7]

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Gennadij [26K]

Answer:

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