3 years ago

Can someone please help it’s for dance class not mathematics

1 answer:

6 0

2. marking choreography is essential to your memory of the dance without having to go all out of each time to practice.

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Svetradugi [14.3K]

The total is 362.5 every two weeks

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3 years ago

loris [4]

I believe it is 14.004

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3 years ago

Nataliya [291]

Answer:

9 mph

Step-by-step explanation:

-let x be the speed of current and t be time. The speed equation for both directions can then be represented as:

$Speed=\frac{Distance}{Time}\\\\\#Upstream\\(u-6)t=9\\\\\#Donwstream\\\\(u+6)t=45$

#Since t is equal in both, we can do away with t.

#We the divide the downstream equation by the upstream equation as:

$\frac{u+6}{u-6}=\frac{45}{9}\\\\(u+6)=5(u-6)\\\\u+6=5u-30\\\\4u=36\\\\u=9$

Hence, the boat's speed in still water is 9 mph

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3 years ago

Stels [109]

3x -7 = 14

3x - 7 (+7) = 14 (+7)

3x = 21

3x/3 = 21/3

x = 7

hope this helps

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3 years ago

Dima020 [189]

Answer:

the square root of 5=2.2361

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3 years ago