3 years ago

For some reason, i forgot how to do this question... could someone help me?

1 answer:

AnnZ [28]3 years ago

3 0

$\frac{3}{5} :11= \frac{3}{5} : \frac{11}{1} = \frac{3}{5} * \frac{1}{11} = \frac{3}{55}$

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vesna_86 [32]

Add 5 to both sides

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3 years ago

zhuklara [117]

Answer:

The surface area of door is 33 680 cm².

Step-by-step explanation:

Given that the surface area of a cuboid which is the 3D of rectangle is :

$s.a = 2(l \times w) + 2(l \times h) + 2(w \times h)$

$let \: l = 80 \\ let \: w = 3 \\ let \: h = 200$

$s.a = 2(80 \times 3) + 2(80 \times 200) + 2(3 \times 200)$

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Alina [70]

Answer:

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3 years ago

-BARSIC- [3]

What you do is you distribute the 5.

So your answer would be 5x+15

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3 years ago

mr_godi [17]

The commutative property of multiplication.

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3 years ago