Please I need help am being timed can someone please help
1 answer:
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Answer:
The width is 7 meters and the length is 13 meters
Step-by-step explanation:
The perimeter of a rectangle sandpit is 40 meters.
Let the width be w units, then the length which is 1 meter less than twice it’s width becomes:
The perimeter of a rectangle is given by:
We substitute P=40 and the length in term of w to get:
We simplify to get:
Divide through by 2 to get:
Hence
Answer:
Step-by-step explanation:
Let points A, B and F have coordinates
and
If BA is extended all the way through A creating BF and A becomes the midpoint of BF, then the midpoint A of the segment BF has coordinates:
Express coordinates of point F:
Hence,
X = 4×3 X + 7
Resultado
X = 12 X + 7
Forma alternativa
-11 X - 7 = 0
X = -7/11
