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Lapatulllka [165]
2 years ago
9

Which expression is equal 2n - 6

Mathematics
1 answer:
mestny [16]2 years ago
6 0

Answer:

-2(n-3)

Step-by-step explanation:

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Answer:

Angle N should be 64

Step-by-step explanation:

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8 0
4 years ago
Read 2 more answers
A set of bookshelves rests on a hard floor surface on four legs, each having a cross-sectional dimension of 3.0×4.1cm in contact
tatiyna

Answer:

5.22\cdot 10^5 Pa

Step-by-step explanation:

The pressure exerted by an object is given by:

p=\frac{F}{A}

where

F is the magnitude of the force

A is the area of the surface perpendicular to the force

In this problem, the force is the weight of the books + the shelf, which is given by

F=mg

where

m = 262 kg is the total mass

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Substituting,

F=(262)(9.8)=2568 N

The area of the four legs is:

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Therefore, the pressure exerted on them is:

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3 years ago
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Answer:

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Step-by-step explanation:

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