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ValentinkaMS [17]
3 years ago
6

Please help me out :)

Mathematics
1 answer:
Naily [24]3 years ago
5 0

Answer:

10d² + 8

Step-by-step explanation:

Given

(11 + 4d²) - (3 - 6d²) ← distribute parenthesis, second by - 1

= 11 + 4d² - 3 + 6d² ← collect like terms

= (4d² + 6d²) + (11 - 3)

= 10d² + 8

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3 years ago
Angie has some red and blue beads. 40% of her beads were red. When she lost 50 blue beads, the number of blue beads was reduced
Tamiku [17]

Answer:

Step-by-step explanation:

Let x represent the total number of red and blue beads

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The number of blue beads would be

x - 0.4x = 0.6x

When she lost 50 blue beads, the number of blue beads was reduced by 1/3 its original number of beads. This means that

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3 years ago
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