Answer:
scale factor = 4
Step-by-step explanation:
The scale factor is the ratio of OA' to OA , that is
scale factor = 
= 
= 
= 4
Answer:
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Gianna paid less per necklace so she got the better deal
Gianna: 50.75 / 7 = 7.25
So she paid $7.25 per necklace
Winnie: 24.60 / 3 = 8.20
So she paid $8.20 per necklace
Answer:
Look below
Step-by-step explanation:
Answer: -6/11
-4x - 2(8x + 1) = -(-2x - 10) Distributive Property
-4x - 16x - 2 = 2x + 10 Combine like terms
-20x - 2 = 2x + 10 Subtract 2x from both sides
-22x - 2 = 10 Add 2 to both sides
-22x = 12 Divide by -22 for both sides
x = -6/11 Answer!
