Answer:
A = (100 - y)y
Maximum area = 2500 sq. feet.
Step-by-step explanation:
Let the length of the combined rectangular area is y feet and the shared width is x feet.
So, perimeter of the two rectangle together is (3x + 2y) = 200 {Given}
⇒ 2y = 200 - 3x
⇒ ...... (1).
a) Now, area of the total plot in sq. feet is ........ (2)
So, this is the expression for area A in terms of length of shared side x.
b) For area to be maximum the condition is
Now, differentiating equation (2) on both sides with respect to x we get
⇒ x = 33.33 feet.
So, from equation (1) we get
⇒ x = 50 feet.
So, the value of maximum area = 50 × 33.33 = 1666.5 sq. feet. (Answer)
Answer:
x = -3
Step-by-step explanation:
Answer:
1.4
Step-by-step explanation:
10 decreased by 1.4 is 18.6
Answer:
Step-by-step explanation:
I cant see it
Responder:
Los 48.1875m
Explicación paso a paso:
Si se colocaron 16 postes para soportar 385,5 m de cable telefónico, esto significa que la distancia entre los 16 postes es de 385,5 m.
Debemos encontrar la distancia entre 2 postes;
16 puestos = 385,5 m
2 puestos = x
Cruz multiplicar
16 veces = 2 * 385,5
16x = 771
x = 771/16
x = 48,1875 m
Por lo tanto, la distancia entre 2 postes es de 48,1875 m.