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3 years ago

12

A warehouse has 784 barrels of a chemical. You require 98 barrels for one run of your process. How many barrels will be left aft

er one run?

1 answer:

sergejj [24]3 years ago

4 0

686 barrels left. If I'm not mistaken this should just be simple subtraction

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What is the equation of the line that is parallel to the line whose equation is y=-4/3x+7/3 and also passes through the point (-

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Answer: please help me with this, I will do whatever you want but please help me please!

Step-by-step explanation:

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When a plane flies into the wind, it can travel 3000 ml in 6 h . When it flies with the wind, it can travel the same distance in

jeka94

Answer:

plane: 550 mph
wind: 50 mph

Step-by-step explanation:

If p and w represent the speeds of the plane and wind, respectively, the speed into the wind is ...

p - w = (3000 mi)/(6 h) = 500 mi/h

And, the speed with the wind is ...

p + w = (3000 mi)/(5 h) = 600 mi/h

Adding these two equations gives us ...

2p = 1100 mi/h

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Then the wind speed is ...

w = 600 mi/h - p = (600 -550) mi/h

w = 50 mi/h

The rate of the plane in still air is 550 mi/h; the rate of the wind is 50 mi/h.

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3 years ago

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Over [174]

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3 years ago

If (a+b) / (x−y) = 3/5 then (10a + 10b) / (9x−9y) = ?

lbvjy [14]

Answer:

2/3

Step-by-step explanation:

Look at what you are getting on the right hand question. 10a +10b has a common factor that can be pulled out. It is 10

10a + 10b = 10(a + b)

Now look at the denominator

9x - 9y = 9(x -y)

There are a lot of possible answers.

Mine would be to multiply 3/5 * 10/9

$\dfrac{3}{5}*\dfrac{10}{9} = \dfrac{30}{45} = \dfrac{2}{3}$

so

(10a + 10b)/(9x - 9y) = 2/3

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