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maria [59]
3 years ago
11

7b Evaluate when b= -1 b-3

Mathematics
1 answer:
tiny-mole [99]3 years ago
5 0

Answer:

b-3

-1-3

-4

is the correct answer

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Step-by-step explanation:


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R^2 = 4r-4<br><br> Please show steps
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Answer:

r = 2

Step-by-step explanation:

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otez555 [7]

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C. Two lines are perpendicular if they have opposite slopes

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makkiz [27]
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5 0
3 years ago
I need help on this assignment
JulsSmile [24]

Given:

A figure of a rectangular prism with length l, width w and height h.

To find:

The surface area of the rectangular prism.

Solution:

The product of twice of the length l and the width w is:

2\times l\times w=2lw          ...(i)

The product of twice of the length l and the height is:

2\times l\times h=2lh           ...(ii)

The product of twice of the width w and the height h is:

2\times w\times h=2wh       ...(iii)

The surface area of the prism is the sum of (i), (ii) and (iii). So, the expression for the surface area is:

A=2lw+2lh+2wh

A=2(lw+lh+wh)

Therefore, the required expression is 2(lw+lh+wh).

5 0
3 years ago
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