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3 years ago

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Peaches are being sold for $2 dollars per pound if x represents the number of pounds of peaches bought and y represents the tota

l cost of the peaches which best describes the value of x and y

1 answer:

Alex787 [66]3 years ago

8 0

I'm guessing you want an equation.

In that case, the equation would be $2x =y

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Flying against the wind, a jet travels 2160 miles in 3 hours. Flying with the wind, same jet travels 6000 miles in 6 hours. What

marissa [1.9K]

Answer:

The velocity of jet in still air is $860miles/hour$ and velocity of wind is $140miles/hour$ .

Step-by-step explanation:

Let x be the rate of the jet in still air and y be the rate of the wind.

Given:

Velocity against wind, a jet travels 2160 miles in 3 hours.

Velocity against wind $=\frac{2160}{3} = 720 miles/hour$

Flying with the wind, same jet travels 6000 miles in 6 hours.

Flying with the wind $=\frac{6000}{6} = 1000 miles/hour$

As such its velocity against wind is $x-y$

and with wind is $x+y$ therefore

$x-y=720$ ------------(1)

$x+y=1000$ ---------------(2)

Adding equation 1 and 2.

$2x=1720$

$x=\frac{1720}{2}$

$x=860$

Put x value in equation 2

$860+y=1000$

$y=1000-860$

$y=140$

Hence velocity of jet in still air is $860miles/hour$ and velocity of wind is $140miles/hour$ .

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3 years ago

Un dia en uno de los pizarrones de la escuela a Divide el pizarrón en cuatro partes iguales, de modo que en cada una quede un 1

tekilochka [14]

Answer:

Translation: One day on one of the school blackboards a Divide the blackboard into four equal parts, so that each one has a 1, a 2, a 3 and a 4

Step-by-step explanation:

So what am I answering here?

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2 years ago

Help ASAP anyone please thank you

VMariaS [17]

Answer:

D but dont get mad

Step-by-step explanation:

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3 years ago

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What does y equal when the equation 4y-1=7

asambeis [7]

4y - 1 = 7 / + 1 ;
4y = 8 /÷4 ;
y = 2 ;

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3 years ago

If you understand may you please help me?

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Answer:

Step-by-step explanation:

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3 years ago