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2 years ago

14

To solve 4÷13, Matthew thinks about blocks that each weigh 13 pound and how many blocks he would need to put on a scale so that

the total weight was 4 pounds.
What is the quotient of 4 and 13?

1 answer:

Katarina [22]2 years ago

4 0

3.25 if you round it it’ll be 3.3

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Burka [1]

Answer:

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Step-by-step explanation:

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3 years ago

Hi, can someone please help, and possibly explain the answer please.

mr_godi [17]

Answer:

$x=\frac{-(-2)\±\sqrt{(-2)^2-4(3)(0)} }{2(3)}$

Step-by-step explanation:

Quadratic formula: $x=\frac{-b\±\sqrt{b^2-4ac} }{2a}$ when the equation is $0=ax^2+bx+c$

The given equation is $1=-2x+3x^2+1$ . Let's first arrange this so its format looks like $y=ax^2+bx+c$ :

$1=-2x+3x^2+1$

$1=3x^2-2x+1$

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$1-1=3x^2-2x+1-1\\0=3x^2-2x+0$

Now, we can easily identify 3 as a, -2 as b and 0 as c. Plug these into the quadratic formula:

$x=\frac{-b\±\sqrt{b^2-4ac} }{2a}\\x=\frac{-(-2)\±\sqrt{(-2)^2-4(3)(0)} }{2(3)}$

I hope this helps!

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2 years ago

Hello, can someone help me with this. I had a brain fart and don’t remember how to do it.

igor_vitrenko [27]

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3 years ago

16 times 3/3 is greater than or less than or equal to 16

galina1969 [7]

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3 years ago

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Sever21 [200]

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3 years ago