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3 years ago

Divide remember to reduce 2/10÷ 2/3

Mathematics

1 answer:

Lelu [443]3 years ago

4 0

Answer:

3/10

Step-by-step explanation:

2/10÷2/3=2/10x3/2=6/20=3/10

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A manufacturer of shipping boxes has a box shaped like a cube the side length is (5a+4b) what is the volume of the box in terms

Oksana_A [137]

For a regular cube:
side length = $s[tex] volume = [tex]s^3$

This problem has a lot of distributing. I suggest you use a grid to make sure each term is distributed (see attached image on how to do this)

For our problem:
side length = $s=5a+4b$
$s^2=25a^2+40ab+16b^2$ (use FOIL)
$s^3=s^2\times\s=(25a^2+40ab+16b^2)(5a+4b)$
Multiplying 5a(25a²+40ab+16b²) = $125a^3+200a^2b+80ab^2$
Multiplying 4b(25a²+40ab+16b²) = $100a^2b+160ab^2+64b^3$
Combine like terms. (200a²b + 100a²b = 300a²b, 80ab² + 160ab² = 240ab²)

volume = s³ = $\boxed{125a^3+300a^2b+240ab^2+64b^3}$

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4 years ago

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Katen [24]

Add he fractions first, 1/9 + 4/9 which is 5/9. Now add the whole numbers which are 2 and 7, and you get 9. Your fraction will be 9 5/9 and this number cannot be simplified anymore.

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O there is none.......

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Tema [17]

Answer:

Step-by-step explanation:

Couldn't see the first to well but the 2nd one is x=1.337

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lora16 [44]

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Divide remember to reduce 2/10÷ 2/3​

Divide remember to reduce 2/10÷ 2/3