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jek_recluse [69]
3 years ago
13

8 Mineral Hardness Common object Diamond 10 Corundum 9 Topaz Quartz 7 Feldspar 6 Steel file (6.5) Apatite 5 Glass (5.5) Fluorite

4 Iron nail (4.5) Calcite 3 Copper penny (3) Gypsum 2 ] Fingernail (2.5) Talc 1 2. On the Mohs Hardness Scale, which mineral can scratch Gypsum and Apatite, but can be scratched by quartz?​
Mathematics
1 answer:
adoni [48]3 years ago
5 0

Answer:

feldspar, because it has a higher number then gypsum and apatite, and it can be scratched by quartz because it has a lower number.

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How much money has to be invested at 2.3% interest compounded continuously to have $41,000 after 17 years?
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For this, we have to calculate how much money has to be invested at 2.3% interest compounded continuously to achieve $41,000 after 17 years

Formula: A= P * ( 1+r)^t
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3 years ago
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egoroff_w [7]

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The length is currently three feet, if you add two feet to three that makes five feet. Five times four is twenty.

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2 years ago
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Answer of this question =8

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176

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