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gayaneshka [121]
2 years ago
12

When was the copper vein at Santa Rita discovered?

History
2 answers:
arsen [322]2 years ago
5 0
Copper was discovered by an officer of the spanish army in 1800.
AleksandrR [38]2 years ago
5 0

Answer:

1800

Photo, Print, Drawing Largest open pit copper mine in the world at Santa Rita, New Mexico. Copper was discovered here by an officer of the Spanish army in 1800 who sold the same to a wealthy Spanish merchant.

Explanation:

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soldi70 [24.7K]

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12.

a. The equation is y = 19 x

b. The height of 13 DVD cases is 247 mm

Explanation:

<u>12.</u>

- A proportional relationship is about two quantities vary directly with

each other

- Ex: If y proportion to x, then y is varies directly with x  That means y ∝ x ⇒ y = k x, where k is the constant of variation

- The height of a stack of DVD case is proportional to the number of  case in the stack

- That means the height of DVD cases varies with the number of cases

- The height of 6 DVD case is 114 mm

a.  ∵ The number of cases = x

∵ The height of the cases = y

∴ y ∝ x

∴ y = k x

- To find k lets use the first information above

∵ y = 114 mm when x = 6

- Substitute these values in the equation above to find k

∵ 114 = 6 k

- Divide both sides by 6

∴ k = 19

- Substitute the value of k in the equation above

∴ y = 19 x

* The equation is y = 19 x

b.

-We need to find the height of 13 DVD cases

∵ y = 19 x

∵ x = 13

- Substitute the value of x in the equation

∴ y = 19 × 13

∴ y = 247 mm

* The height of 13 DVD cases is 247 mm

7 0
3 years ago
What social concept was damaged the most by the government program of land allotment?
netineya [11]

Answer:

sense of community

Explanation:

this is correct I just had the same question.

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