The high temperatures for City A and City B were recorded for one week. Which city had the greater median high temperature? City A City B 75°
72°
70°
75°
72°
85°
79°
78°
84°
86°
82°
76°
79°
91°

The city with the greater median high temperature is City?

.

city a

Step-by-step explanation:

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answer:

(7 x + 6 y) (49 x^2 - 42 x y + 36 y^2)

discussion:

the trick is to recognize that 343 = 7^3 and 216 = 6^3 and, in general,

a^3 + b^3 =   (a + b) (a^2 - a b + b^2).

in our case

343x^3+216y^3   =   (7x)^3 + (6y)^3

so take a = 7x and b = 6y in the above equation to get the answer.

you,

mrb

my name jeff

step-by-step explanation:

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