Answer:
Step-by-step explanation:
<em>1).</em>
Answer:
4 : 25
Step-by-step explanation:
Given the ratio of 2 similar figures = a : b, then
ratio of areas = a² : b²
Given the similarity ratio = 2 : 5, then
ratio of areas = 2² : 5² = 4 : 25
Answer:
x=-6, y=-8. (-6, -8).
Step-by-step explanation:
8x-5y=-8
-7x-5y=82
---------------
-(8x-5y)=-(-8)
-7x-5y=82
---------------------
-8x+5y=8
-7x-5y=82
---------------
-15x=90
x=90/-15
x=-6
8(-6)-5y=-8
-48-5y=-8
5y=-48-(-8)
5y=-48+8
5y=-40
y=-40/5
y=-8
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