3 years ago

What is the ratio of x to y? 3x = 8y

1 answer:

4 0

The answer is 8/3

3x= 8y

x 8
-- = ---
y 3

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Lunna [17]

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<h3>>> Given Question :</h3>

3x²(4x³ - 2x² + 7x - 4)

<h3>>> Required Solution :</h3>

12x⁵ - 6x⁴ + 21x³ - 12x²

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6 0

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

7 0

3 years ago

bagirrra123 [75]

Answer:

Step-by-step explanation:

3 0

3 years ago

vovikov84 [41]

I would help but I don’t know

5 0

3 years ago

Charra [1.4K]

That Equals = -60i. Hope im right :) Good luck

8 0

3 years ago