2 years ago

Which is the best buy? Pack of 8 apples for £1.65 Pack of 6 apples for £1.25

Mathematics

1 answer:

Sliva [168]2 years ago

7 0

Answer:

Pack of 6 apples for £1.65 is better because the price of 1 apple is less in this answer.

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(2a^2b + 3ab^2 - b^3) - (4b^3 - 3ab^2 -6a^2b)

skelet666 [1.2K]

Hi there!

~

$(2a^2b+3ab^2-b^3)-(4b^3-3ab^2-6a^2b)$

Distribute the Negative Sign:

$= 2a^2 b + 3ab^2 - b^3 + -1(4b^3 - 3ab^2 - 6a^2b)\\= 2a^2 b + 3ab^2 + - b^3 + -1 (4b^3) + -1 (-3ab^2) + -1 (-6a^2b)\\= 2a^2 b + 3ab^2 + -b^3 + -4b^3 + 3ab^2 + 6a^2 b$

Combine Like Terms:

$= 2a^2 b + 3ab^2 - b^3 + -4ab^3 + 3ab^2 + 6a^2 b\\= (2a^2 b + 6a^2 b) + ( 3ab^2 + 3ab^2) + (-b^3 + -4b^3) \\= 8a^2 b + 6ab^2 + -5b^3$

Answer : $8a^2 b + 6ab^2 + -5b^3$

Hope this helped you!

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3 years ago

3(3a + 4b) + 4(2a - 5b) please answer quick

Oliga [24]

Step-by-step explanation:

3(3a+4b)+4(2a-5b)

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3 years ago

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Katen [24]

Answer:

Step-by-step explanation:

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3 years ago

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zzz [600]

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3 years ago

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padilas [110]

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Step-by-step explanation:

x = 180 - (31 + 40)

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4 years ago

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