Answer:
I do not know
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Since the triangles are similar then the ratios of corresponding sides are equal, that is
= , substituting values
= ( cross- multiply )
21x = 7(24 - x) ← distribute
21x = 168 - 7x ( add 7x to both sides )
28x = 168 ( divide both sides by 28 )
x = 6 → C
Answer: 918km^2
Step-by-step explanation:
Let x be the new dimension of the area;
Step-by-step explanation:
T4=a+(4-1)d
a+3d=4.............(1)
T12=a+(12-1)d
a+11d=28..........(2)
using elimination method
3d-11d=4-28
-8d=-24
d=3
substitute d=3 in equation (1)
a+3(3)=4
a=4-9=-5
so the A.P is -5,-2,1,4,7,10,13,16,19,22,25,28...........
Step-by-step explanation:
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