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MrRa [10]
4 years ago
6

A jewl case that holds 2 cds is 140mm x 120 mm x 9 mm what is the surface area of this jewl

Mathematics
1 answer:
Alenkasestr [34]4 years ago
3 0
The case will have 6 surfaces

Top + Bottom  Surface = 2 x 140 x 120 = 33600 square mm
Right + Left Surface = 2 x 140 x 9 = 2520 square mm
Front and Back Surface = 2 x 120 x 9 = 2160 square mm
Total =   33600 + 2520 + 2160 = 38280 square mm
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Identify the polygon that has vertices A(−10,−1), P(−7,3), E(−3,0), and X(−6,−4), and then find the perimeter and area of the po
Bogdan [553]

Answer:

  square; perimeter 20 units; area 25 square units.

Step-by-step explanation:

As the attachment shows, each side of the polygon is the hypotenuse of a 3-4-5 right triangle, so has length 5 units. The perimeter is the sum of those lengths, 4×5 = 20; the area is the product of the lengths of adjacent sides, 5×5 = 25.

The figure is a square of side length 5 units.

The perimeter is 20 units; the area is 25 square units.

4 0
3 years ago
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devlian [24]
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3 years ago
Help please will give brainlist <br><br> Find x+y
Leno4ka [110]

Answer:

62

Step-by-step explanation:

2y-5 and 95 are vertical angles so they are equal

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3x =  36

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3 0
3 years ago
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A square has an area of 256 square meters. How long is each side?<br><br> _Meters by _ meters
Lorico [155]
Hello!

First, let's write an equation for the problem. 
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Now, all you have to do is solve it. 
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I hope this helps!
7 0
3 years ago
The area of rectangular is 64m the length of the pool is 12 m less that the width .The situation can be represented by the equat
beks73 [17]

Answer:

Width = 16 m

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Step-by-step explanation:

The area of rectangular is 64m² the length of the pool is 12 m less that the width . The situation can be represented by the equation x

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Hence:

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W² - 12W - 64 = 0

Factor using

(W + 4)(W - 16) = 0

Width = 16m

Length = W - 12

Length = 16 m - 12 m

= 4 m

6 0
3 years ago
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