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Korolek [52]
3 years ago
15

A diagram shows a square with a perimeter of 40cm. Work out the percentage of the area inside the square that is shaded.

Mathematics
2 answers:
scoundrel [369]3 years ago
8 0

Answer:

70%

Step-by-step explanation:

otez555 [7]3 years ago
6 0

Answer:

Step-by-step explanation:

10×10=100

3×10=30

6×10=60

15+30=45

100-45=55

55cm²

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Find the measure of angle 1
kolbaska11 [484]

Answer:

44°

Step-by-step explanation:

8x - 4 = 6x + 8 (This is because they are corresponding angles)

8x - 6x = 8 + 4

2x = 12

x = 12 ÷ 2

x = 6

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Substitute the value of x in the equation '6x +8' to get the size of the angle.

6 × 6 + 8

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3 0
3 years ago
Use the distributive property to remove the parentheses.<br> -4(-6y + 2w-4)
olga_2 [115]

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Step-by-step explanation:

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4 0
2 years ago
Alan found the value of the expression (15 - 6)2 to be 189. Is he right?
tatuchka [14]
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Because I always use the rule of :
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3 0
3 years ago
What is the product? startfraction 4 k 2 over k squared minus 4 endfraction times startfraction k minus 2 over 2 k 1 endfraction
Tcecarenko [31]

The product of the expression (\frac{4k+2}{k^2-4})* \frac{k-2}{2k+1}  is the expression \frac{2}{k+2}

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

Given the expression:

(\frac{4k+2}{k^2-4})* \frac{k-2}{2k+1} \\\\This\ can\ be\ simplified\ to:\\\\(\frac{2(2k+1)(k-2)}{(k+2)(k-2)(2k+1)}) \\\\=\frac{2}{k+2}

The product of the expression (\frac{4k+2}{k^2-4})* \frac{k-2}{2k+1} is the expression \frac{2}{k+2}

Find out more on equation at: brainly.com/question/2972832

#SPJ4

7 0
2 years ago
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