What is the result of isolating x^2 in the equation below (x+1)^2+(y-8)^2=9

x² = 8 - (y - 8)² - 2x

x² = 16y - y² - 2x - 56

Step-by-step explanation:

∵ (x + 1)² + (y - 8)² = 9

∵ x² + 2x + 1 = 9 - (y - 8)²

∴ x² = 9 - (y - 8)² - 2x - 1

∴ x² = 8 - (y - 8)² - 2x

OR:

∵ x² = 8 - (y² -16y + 64) - 2x

∴ x² = 8 - y² + 16y - 64 - 2x

∴ x² = 16y - y² - 2x - 56

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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