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3 years ago

Help!!!!

Mathematics

1 answer:

ycow [4]3 years ago

4 0

I think it’s 15/9 I’m sorry if that’s wrong

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If a = 12 and b= 2. solve ab + ( 3a - 8b)

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Step-by-step explanation:

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3 years ago

Put all the orders the number 01349 can be in.

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3 years ago

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What word problem could be used for the 2 step equation .5(x+40)=200

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Since multiplying by 0.5 is the same as dividing by 2, the problem is described by the sentence

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3 years ago

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A tank's length is 3 feet longer than its width. The height is 1 foot less than the width. The volume of the tank is 160 cubic f

Ivanshal [37]

Answer:

The width of the tank is <u>5 feet</u>.

Step-by-step explanation:

Given:

A tank's length is 3 feet longer than its width.

The height is 1 foot less than the width.

The volume of the tank is 160 cubic feet.

Now, to find the width of the tank.

Let the width of the tank be $x.$

So, length is $x+3.$

And, height is $x-1.$

The volume of tank = 160 cubic feet.

Now, to get the width we put formula:

Volume = length × width × height.

$160=(x+3)\times x\times (x-1)$

$160 =x(x^2-x+3x-3)$

$160=x(x^2+2x-3)$

$160=x^3+2x^2-3x$

<em>Subtracting both sides by 160 we get</em>:

$0=x^3+2x^2-3x-160$

$x^3+2x^2-3x-160=0$

Now, on solving the equation we get:

$x=5.$

The width = 5 feet.

Therefore, the width of the tank is 5 feet.

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4 years ago