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3 years ago

(3x+9)(5x-9) we need to put them in the box

Mathematics

1 answer:

Sladkaya [172]3 years ago

4 0

Answer:

you put 3x and 9 on the left side of the box then you put 5x and 9 on the top of the box then you multiply 3x and 5x which is 8x and you put that in your first square... then you do the same its a pattern did i explained ok or good..

Step-by-step explanation:

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4 years ago

The short sides of a rectangle are 2 inches. The long sides of the same rectangle are three less than an unknown number of inche

Bezzdna [24]

Given:

Short sides of a rectangle = 2 inches.

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The long sides of the same rectangle are three less than an unknown number of inches.

To find:

The unknown number.

Solution:

Let x be the unknown number. Then the longer side of the rectangle is (x-3) inches.

We know that the area of a rectangle is

$A=length\times width$

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$22=2(x-3)$

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Add 3 on both sides.

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3 years ago

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4 years ago

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blondinia [14]

Answer:

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Step-by-step explanation:

Let the cost of one cupcake = $ x.00

Now, the money spent by Cherie on 2 cupcakes = 2 ($x.00) = $2x

Also, the money spent by Sonya on 4 cupcakes = 4 ($x.00) = $4x

Now, according to the question:

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or, 2x + 12.50 = 4x + 5

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3 years ago

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Bogdan [553]

Answer:

Step-by-step explanation:

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3 years ago

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