2 years ago

You are buying carpet to cover a room that measures 21 feet by 30 feet. The carpet

Mathematics

1 answer:

Elina [12.6K]2 years ago

4 0

Answer:

20.97

Step-by-step explanation:

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3 years ago

If C is between A and B, then answer the following if AB=40, AC= 2x+10, CB= 3x-5

Marat540 [252]

If C is between A and B, then, we can write the equation

$AB = AC + CB$

Substitute the value of AB and the expressions for AC and CB in terms of x.

$40 = (2x+10)+(3x-5)$

We can now solve for x.

$40-10+5= 2x+3x$

$35=5x$

Dividing by 5.

$7=x$

$AB=40$

$AC=2(7)+10$

$AC=14+10$

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Find the mean of the following numbers; 7 21 2 17 3 14 7 4 9 7 9

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Step-by-step explanation:

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