The four-chambered heart of a humpback whale weighs approximately 430 pounds. 1 kilogram is equal to 2.2 pounds. What is the weight of the humpback whale’s heart in kilograms? .005 kilograms

195.5 kilograms

215 kilograms

946 kilograms

B. 195.5 kg

Step-by-step explanation:

Given

Weight in pounds = 430 pounds

1 kilogram = 2.2 pounds

Required

The weight in kilogram

Let x represents the weight of the humpback's whale's heart in kilogram

Such that;

By Cross multiplication

Divide both sides by 2.2lb

Approximate

Hence, the weight of the heart is 195.5kg

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step-by-step explanation:

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-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.