3 years ago

A certain ore contains 9 percent gold. How much ore (in tons) is needed to obtain 126 tons of gold

1 answer:

7 0

Answer:

it'll take 251,991 tons of ore to obtain 126 tons of gold.. That's a lot

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jasenka [17]

Answer:

the answer would 12

Step-by-step explanation:

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3 years ago

vladimir2022 [97]

Answer: The slope would be -2, (C) and the Y intercept would be 5

8 0

3 years ago

Yuki888 [10]

Answer:

d+7+3d+5=180

4d+12=180

4d=180-12

4d=168

d=42

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3 years ago

nata0808 [166]

Answer:

-657

Step-by-step explanation:

$a= -1\\b= 4\\$

Substituting the value of a and b

$3a^{2}-4ab-26^{2} \\3(-1)^{2} -4(-1)(4)-676\\3-4(-4)-676\\3+16-676\\19-676\\-657$

The value of 3a²-4ab-26² is -657

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3 years ago

djyliett [7]

6x+2y=8
2y=-6x +8
y=-3x+4

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3 years ago