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3 years ago

Will give brainliest for correct answer! Find the area:

Mathematics

1 answer:

Elza [17]3 years ago

7 0

Answer:

Area is 40

Step-by-step explanation:

to find the horizontal line, do 11-2=9

to find the vertical line, do 9-2=7

Then add them all together

9+11+2+9+7+2= 40

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An aquarium has dimensions 2x feet, (x – 1) feet, and (x + 2) feet. The aquarium volume must be no more than 280 cubic feet.

Lina20 [59]

Answer:

$x^3+x^2-2x\leq140$

Step-by-step explanation:

This is an algebra problem, and we are expected to inequality for the volume of the aquarium.

Given that the

length= 2x

width=(x – 1)

heigth= (x + 2)

and the volume= 280 ft^3

the inequality expression for the volume is

$2x*(x -1) * (x + 2) \leq 280\\\\$

open the brackets

$2x*(x -1) * (x + 2) \leq 280\\\\(2x^2-2x)*(x+2)\leq 280\\\\\2x^3+4x^2-2x^2-4x\leq 280\\\\\2x^3+2x^2-4x\leq280$

divide through by 2 we have

$x^3+x^2-2x\leq140$

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3 years ago

Read 2 more answers

Can you divide 25 into 4 equal groups? Explain why or why not.

alexira [117]

Answer:

No, not really.

dividing 25 into 4 equal groups, equals 6.25.

So no, you can not divide 25 into 4 equal group.

If if was 25 into 5 equal groups, then yes.

Hope this helps!!!

Please mark brainliest, if this helps. :)

Step-by-step explanation:

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3 years ago

It takes a guard 3 hours to walk 12 miles on foot. Another guard travels by horse at a rate of 14 miles per hour. How long will

kotegsom [21]

Answer:

around 50 minutes

Step-by-step explanation:

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3 years ago

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PLEASE HELP ASAP I WILL MARK AS BRAINLIEST

zimovet [89]

Answer:

The triangle because the other shapes have a square in them, also FYI you got your name in the photo

Step-by-step explanation:

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