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SVETLANKA909090 [29]
3 years ago
13

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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ASAP! GIVING BRAINLIEST! Please read question 10 THEN answer correctly! No guessing.
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

4 0
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:

90

Step-by-step explanation:

6 0
2 years ago
This connects to the last one I did
vichka [17]
-4x+3 and -2y idk if that's completely right tho
4 0
2 years ago
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Can someone help me with this ONE question? Write an equation.. and solve for X
matrenka [14]

Answer:

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

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Step-by-step explanation:

A 6 sided polygon is 720° degrees

so

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

Simplify

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

Combine like terms:

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flip equation:

26x+278=720

subtract 278 from both sides

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divide by 26 both sides:

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Hope this helps.

7 0
2 years ago
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Cloud [144]

Answer:

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Step-by-step explanation:

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She has $28 dollars left to spend on her binders.

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2 years ago
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