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Lostsunrise [7]
3 years ago
8

180 heartbeats in 3 minutes ? heartbeat (s) per minute

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
3 0

Answer:

60

Step-by-step explanation:

180÷3=60

if it is unclear or you need more explanation, ask freely.

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6 0
2 years ago
Please Help Me
wel
X = 3
y = -1 

get the x or y by itself first (second eq. is easier)
So, x + 2y = 1
          -2y     -2y
Now we get: 
x = -2y +1 Plug it into the other equation.

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2(-2y +1) + 3y = 3
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y = -1 (plug into either eq to get x)

<span>x + 2y = 1
</span>x+2(-1) = 1
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 +2  +2

x = 3

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3 years ago
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