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Maurinko [17]
3 years ago
7

What expression is equivalent to 2(a+2b)-a-2b

Mathematics
1 answer:
MrRissso [65]3 years ago
3 0
The answer I got was a+2b
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I need this quickly please
IRINA_888 [86]

Answer:

y = 15x + 20 or 15x - y + 20 = 0

x = 11

Step-by-step explanation:

Line is passing through the points (0, 20) & (2, 50)

Slope of line = (50 - 20)/(2 - 0) = 30/2 = 15

Equation of line

y - 20 = 15(x - 0)

y - 20 = 15x

y = 15x + 20 or 15x - y + 20 = 0

Plug y = 185 in above equation, we find:

185 = 15x + 20

185 - 20 = 15x

165 = 15x

x = 165/15

x = 11

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3 years ago
An item is regularly placed at $87. Laura bought it on sale for 55% off the regular price. How much did Laura pay?
Sholpan [36]

Answer:

$39.15

Step-by-step explanation:

87 x .55 = 47.85

87-47.85= 39.15

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3 years ago
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.2 converted to a fraction would be 1/5

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Answer:

20x^4 - 13x^3 + 8x^2- x + 6

Step-by-step explanation:

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Marissa counted 29 coins in her change purse which contained, d, dimes and, q, quarters. The value of the coins is $5.00. How ma
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