3 years ago

Can someone please answer my last question

Mathematics

1 answer:

Dima020 [189]3 years ago

7 0

Ok but what question is that

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Stephanie just redecorated her bedroom. She wants to paint but needa to know the surface area of the door to see if she has enou

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 :

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

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

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

$s.a = 2(240) + 2(16000) + 2(600)$

$s.a = 480 + 32000 + 1200$

$s.a = 33680 \: {cm}^{2}$

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3 years ago

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nadezda [96]

Answer:

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y intercept [b]=-5

we have

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5x-3y-15=0 is a required equation

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3 years ago

Maddie does not have any pretzels. Zach gives Abbey 88 pretzels. Then he splits half of the pretzels he has left with Maddie. Za

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C

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3 years ago

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