A small backyard measures 45 feet on one side. The other side measures h+ 20 feet. How many feet around is the yard?
2 answers:
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Answer:
D) x = -2/3 and x = 6
Step-by-step explanation:
4(x²−x+2)−(x+10)(x+2) Distribute
(4)(x²) + (4)(−x) + (4)(2) + − x² + −12x + −20 Multiply
4x² + −4x + 8 + −x² + −12x + −20 Combine like terms
(4x² + −x²) + (−4x + −12x) + (8 + −20) Combine like terms
3x² −16x −12 = 0
x = -2/3 and x = 6
I graphed the equation on the graph below.
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Answer:14 m
Step-by-step explanation:
Dada
larga
superficie
Suponga que el ancho es w
La superficie está dada por el producto de la longitud y la anchura.
Por lo tanto, el ancho es de 14 m.