3 years ago

Sterling silver consists of 92.5% silver and 7.5% copper. What decimal represent the portion of silver in Sterling silver?

Mathematics

1 answer:

mr Goodwill [35]3 years ago

6 0

You have to move the decimal point two places to the left to convert a percent to a decimal, so the answer is 0.925.

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Lana71 [14]

Answer:

$x\degree = 75\degree$

Step-by-step explanation:

Property used: <em>An exterior angle of a triangle is equal to the sum of the opposite interior angles.</em>

$= > 62\degree + (x + 13)\degree = 2x\degree \\ \\ = > 62\degree + x\degree + 13\degree = 2x\degree \\ \\ = > 75\degree = 2x\degree - x\degree \\ \\ = > 75\degree = x\degree \\ \\ = > x\degree = 75\degree$

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2 years ago

equation 7(2j + 3 + 2j). use mathematical properties to create two expressions that are equivalent to the expression you created

makvit [3.9K]

Answer:

Step-by-step explanation:

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2 years ago

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vichka [17]

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2 years ago

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matrenka [14]

Answer:

Equation: 720=(8x-1)+110+(5x+36)+116+(7x+19)+(6x-2)

x=17

Step-by-step explanation:

A 6 sided polygon is 720° degrees

720=(8x-1)+110+(5x+36)+116+(7x+19)+(6x-2)

Simplify

720=(8x+5x+7x+6x)+(−1+110+36+116+19+−2)

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flip equation:

26x+278=720

subtract 278 from both sides

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2 years ago

Pam needs to spend less than $40 on her school supplies. She spends $12 on a

Cloud [144]

Answer:

Step-by-step explanation:

Total amount of money she has=$40

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2 years ago

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