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ella [17]
3 years ago
14

a bottle of nail polish holds 0.8 ounces. a bottle of perfume holds 0.45 ounces. how many ounces does a bottle of nail polish ho

ld?
Mathematics
1 answer:
Simora [160]3 years ago
7 0
0.8 - 0.45= 0.35
The nail polish hold 0.35 more ounces than the bottle of perfume.
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A square's area is 3 times its perimeter. Find the dimensions of the square.
snow_tiger [21]
Answer:

length = 6

width = 6

height = 6

Step-by-step explanation:

Area of the square = 6 * 6

Area of the square = 36

The perimeter = 6 + 6

The perimeter = 12

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7 0
2 years ago
George and Paul use a metal alloy that is 18.1% copper to make jewelry. How many ounces of an alloy that is 14% copper must be m
ella [17]

Answer:

Use 49 ounces of the 14% allow and 41 ounces of the 23% alloy.

Step-by-step explanation:

Each ounce of the 14% copper contains 0.14 ounce of pure copper.

Each ounce of the 23% copper contains 0.23 ounce of pure copper.

Each ounce of the 18.1% copper contains 0.181 ounce of pure copper.

Use x ounces of the 14% and y ounces of the 23% to make 90 ounces of 18.1% alloy.

x+y  = 90

y = 90-x

0.14x + 0.23y = 0.181·90

0.14x + 0.23(90-x) = 16.29

0.14x + 20.7 - 0.23x = 16.29

-0.09x + 20.7 = 16.29

4.41 = 0.09x

x = 49

y = 90-x = 41

Use 49 ounces of the 14% allow and 41 ounces of the 23% alloy.

7 0
2 years ago
HELP WITH SOME GEOMETRY. 20 POINTS
AnnyKZ [126]
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3 0
3 years ago
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Answer:

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^ means to the power of or exponent

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3 years ago
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