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Paha777 [63]
3 years ago
15

1. (a+2)²

Mathematics
2 answers:
myrzilka [38]3 years ago
6 0

Answer:

a² + 4a + 4

Step-by-step explanation:

(a + 2) ² = (a + 2) ( a + 2)

= a ( a + 2) + 2 ( a + 2)

= a² + 2a + 2a + 4

= a² + 4a + 4

krok68 [10]3 years ago
6 0

huh? sorry idont know the answer

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blondinia [14]

Answer:

≈ 3.6 x 10^1

Step-by-step explanation:

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≈ 3.6 x 10^1

6 0
3 years ago
Danielle runs 1/5 of a mile in 4.5 minutes. if she continues at the same speed, how long will it take her to run two miles?
motikmotik
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3 years ago
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guajiro [1.7K]

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Step-by-step explanation:

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3 years ago
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viktelen [127]

Answer:

One possibility is that;

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