2 years ago

Mr. Martinez has 25 kilograms of colored sand for his art students to

1 answer:

Vesna [10]2 years ago

3 0

20 bags of sand………………………

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Step-by-step explanation:

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Kryger [21]

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harina [27]

So what you will have to do is 45 alla you have to do is multiple

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3 years ago

dybincka [34]

Answer:

$x =\frac{17}{18} +\frac{1}{18} \sqrt{3349}$ OR $x =\frac{17}{18} +\frac{-1}{18} \sqrt{3349}$

Step-by-step explanation:

9x2−17x−85=0

For this equation: a=9, b=-17, c=-85

9x2+−17x+−85=0

Step 1: Use quadratic formula with a=9, b=-17, c=-85.

$x =\frac{-b + \sqrt{b^{2}-4ac } }{2a}$

$x =\frac{-(-17)+\sqrt{(-17)^{2} -4(9)(-85)} }{2(9)}$

$x =\frac{17}{18} +\frac{-1}{18} \sqrt{3349}$

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2 years ago

Sedbober [7]

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Step-by-step explanation: (1/7) :(20/21) = (1/7 )· 21/20 = 21/(7·20)= 3/20

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3 years ago