b/c we can substructure 5cd and 3dc b/c it doesn't matter if the place of cd and dc change. what I mean if 5 ×3=15 and it is the same with 3×5=15 both of the product are the same but, if it is - and ÷ it wil be wrong for example 5-3=2 but 3-5= -2

if is helpful ❤❤

THANK YOU

6 0

3 years ago

5 —— —— i need help!! ————- math geniuses pls help me!

34kurt

Answer:

Step-by-step explanation:

x = 7 cos (2pi/3) y = 7 sin (2pi/3)

x = -7/2 y = 7 sqrt(3) /2

5 0

2 years ago

Factor the expression using the GCF. 6x + 42

Nesterboy [21]

Answer: 6x + 42 +=78

Step-by-step explanation:

8 0

3 years ago

The length of a rectangle is one unit shorter than one-sixth of the width x which expression represents the perimeter of the rec

wlad13 [49]

Hi,

L = (1/6)x - 1

P = 2x + 2L = 2x + (2/6)x - 2

P= (7/3)x - 2

x being the width.

Hope this helps!

8 0

4 years ago

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