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denis-greek [22]
3 years ago
7

A picture frame has a perimeter of 40 inches. Its length is 2 inches greater than one-half its width. Let w represent the width

of the picture frame, and let l represent the length. Which system of equations can be used to find the dimensions of the picture frame?
Mathematics
2 answers:
LUCKY_DIMON [66]3 years ago
8 0
L = 2 + .5W
2L + 2W = 40

SOLVING (if needed)
Substitute 2 + .5w in for l in the second equation and solve for w.
2(2 + .5w) + 2w = 40
4 + w + 2w = 40
Combine like terms and subtract 4 from both sides
3w = 36
Divide both sides by 3
w = 12 in.
l = 2 + .5w
l = 2 + .5(12)
l = 8 in.
vovikov84 [41]3 years ago
8 0

Answer:

A

Step-by-step explanation:

Yes

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Answer:

Cuando María afirma que si unen sus dos cuartos de cartulina obtendrán el medio pliego que necesitan, esto es:

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Step-by-step explanation:

Para entender mejor el ejercicio vamos a utilizar números cada vez que se habla de cantidades de cartulina, por lo tanto, María y Juan tienen 1/4 de cartulina cada uno, es decir, 1/4 * 2, y necesitan 1/2 pliego para poder realizar su tarea, por lo tanto, con la afirmación de María sobre unir los dos cuartos de cartulina, en caso de que sea verdadero, ocurrirá que la suma de los dos cuartos dará el medio pliego, como se muestra a continuación:

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Procedemos a simplificar el fraccionario obtenido, sacando mitad tanto en el numerador como en el denominador:

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3 years ago
15 is 0.4% of what number?
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