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mixer [17]
3 years ago
7

Why is the product of 8×8 called a square number

Mathematics
2 answers:
UNO [17]3 years ago
4 0
Because when you look on a multiple chart it creates a square
Blizzard [7]3 years ago
3 0
Anything squared is a squared number, and squaring a number means that you are multiplying a number by itself. So since you are multiplying 8 by 8 is it a square number. 

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The length of a rectangle is 5 yd less than three times the width, and the area of the rectangle is 28 yd2 . find the dimensions
Firdavs [7]
The answer is 4.

The formula for the area of a rectangle is A = lw. Substitute, so then it's 28 = (3x-5) * x, and you evaluate.

Hope this helps you! And rate so I can see if I did well!
8 0
3 years ago
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Goshia [24]

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Step-by-step explanation:

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2 years ago
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iris [78.8K]
40 degrees can I get crown?
5 0
3 years ago
(W+4)(3w-2) please solveeed
Shkiper50 [21]

Step-by-step explanation:

{:}\longrightarrow\sf (w+4)(3w-2)

{:}\longrightarrow\sf w(3w-2)+4 (3w-2)

{:}\longrightarrow\sf 3w^2-2w+12w-8

{:}\longrightarrow\sf 3w^2+10w-8

7 0
3 years ago
Read 2 more answers
Q14
posledela

Answer:

42.6cm

Step-by-step explanation:

The sum total of all the sides of the shape is the perimeter of the shape. Hence;

Perimeter = x+3 + 4 + x+9 + 2x+5

Perimeter = 4x + 21

Given

Area of the figure = 75cm^2

Area = (x+3)(2x+5) + (2x+1)(6)

75 = 2x²+5x+6x+15+12x+6

75 =  2x²+23x+21

2x²+23x+21-75 = 0

2x²+23x-54 = 0

x = -23±√23²-4(2)(-75)/4

x = -23±√529+600/4

x = -12±√1129/4

x = -12+33.6/4

x = 21.6/4

x = 5.4

Recall that;

Perimeter = 4x+21

Perimeter = 4(5.4) + 21

Perimeter = 21.6+21

Perimeter = 42.6cm

Hence the perimeter is 42.6cm

8 0
3 years ago
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