Abigail bought some mangoes at 3 for GH¢ 0.90 and sold all at 4 for GH¢ 1.60.If she made a profit of GH¢ 35.00,how many mangoes
1 answer:
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Hi there!
Diagonals of a rhombus bisect each other.
This means th't both the diagonals must have the same mid-point.
Hence, the midpt. of the diagonal through vertices.
by Mid-point formula :-
∴ [
, 
] = [ 
, 
]
→ For x :--
=> - 6 + x = - 4
=> x = 6 - 4
=> x = 2
→ For y :--
=> 10 + y = 8
=> y = 8 - 10
=> y = -2
Therefore, Th' fourth vertex is (x, y) = (2, -2)
Hence,
Option [ A. ] : (2, -2) is Correct
~ Hope it helps!
Diagonals of a rhombus bisect each other.
This means th't both the diagonals must have the same mid-point.
Hence, the midpt. of the diagonal through vertices.
by Mid-point formula :-
∴ [
→ For x :--
=> - 6 + x = - 4
=> x = 6 - 4
=> x = 2
→ For y :--
=> 10 + y = 8
=> y = 8 - 10
=> y = -2
Therefore, Th' fourth vertex is (x, y) = (2, -2)
Hence,
Option [ A. ] : (2, -2) is Correct
~ Hope it helps!