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-Dominant- [34]
3 years ago
13

GIVING BRAINLIEST Find the surface area of the net below

Mathematics
2 answers:
gulaghasi [49]3 years ago
8 0

Answer:

119 m

Step-by-step explanation:

First find the square 7x7 = 49m

Now the triangle \frac{5 * 7}{2} = 17 .5

17.5 * 4 = 70m

70m + 49m = 119m

san4es73 [151]3 years ago
6 0

Answer:

119

Step-by-step explanation:

1/2x5x7x4+7x7

can I have the brainliest ?

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<span>From the message you sent me:

when you breathe normally, about 12 % of the air of your lungs is replaced with each breath. how much of the original 500 ml remains after 50 breaths

If you think of number of breaths that you take as a time measurement, you can model the amount of air from the first breath you take left in your lungs with the recursive function

b_n=0.12\times b_{n-1}

Why does this work? Initially, you start with 500 mL of air that you breathe in, so b_1=500\text{ mL}. After the second breath, you have 12% of the original air left in your lungs, or b_2=0.12\timesb_1=0.12\times500=60\text{ mL}. After the third breath, you have b_3=0.12\timesb_2=0.12\times60=7.2\text{ mL}, and so on.

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