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anzhelika [568]
3 years ago
13

If a submarine surfaced after a dive of 20 fathoms, how far was the round trip

Mathematics
1 answer:
nirvana33 [79]3 years ago
5 0
20.. ................
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What is the Nth term to this sequence: 2.7, 5.4, 10.8, 21.6, 43.2
SpyIntel [72]
So the first term is 2.7
the second term is 5..4
the thrid term is 10.8
it seems to be doubleing

so the nth term
1th term=2.7
2th term=5.4
we know there must be a power of 2 in there that is influenced by which term it is so
2^n and something more



trial and error
so (1.35)(2^n))

the nth term is (1.35) times (2^n) or 1.35(2^n)
3 0
3 years ago
Malik’s solution to the equation 2/5x-4y=10 , when x=60, is shown below.
zhenek [66]

Answer:

D. Malik substituted 60 for y instead of x.

Step-by-step explanation:

Look closely at the step by step process.

4 0
4 years ago
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without looking not picking a red hat from a box that holds 20 red hats, 30 blue hats, 15 green hats, and 25 white hats
PolarNik [594]
There are 90 hats all together. from just red the fraction is 20/90. 20 divide by 90 = .22
there is a 22% chance.
5 0
3 years ago
Help please ! i would appreciate <br> math
AveGali [126]

Answer:

no

Step-by-step explanation:

they over lap

8 0
3 years ago
If you ride a pterodactyl for 3 hours at 10 mph and then ride a stegosaurus for 1 hour at 2 mph, what would be your average spee
g100num [7]

Answer:

8 mph

Step-by-step explanation:

The equation for average speed is:

average\ speed=\frac{total\ distance}{total\ time}

Let's start by finding the distance for each animal:

d=st\\d=3h*10\frac{m}{h}\\d=30m

d=st\\d=1h*2\frac{m}{h}\\d=2m

Now, we can find the average speed:

average \ speed=\frac{30mi+2mi}{3hr+1hr}=\frac{32mi}{4hr}=8\frac{mi}{h}

8 mph

3 0
3 years ago
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