Mathematics
19.09.2020 10:42
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The average mass of a female heart is 270 grams. The average mass of a male heart

The average mass of a female heart is 270 grams. The average mass of a male heart is 20% greater than the average mass of a female heart. What is the average mass of a male heart to the nearest gram? *
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LuchaPug
LuchaPug
4,9(50 marks)
324g
Take the female heart 270 and multiply that buy 1.20 and you get 324.
heyysn3858
heyysn3858
4,4(30 marks)

  (−4, 10)

Step-by-step explanation:

If M is the midpoint of AB, then ...

  M = (A + B)/2

  2M = A + B . . . . . . multiply by 2

  2M -A = B . . . . . . . subtract A

  2(-1, 8) -(2, 6) = (-2-2, 16-6) = (-4, 10)

It can be worthwhile to remember how to get the endpoint from the other end and the midpoint: B = 2M - A.

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