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Over [174]
3 years ago
10

an item is regularly priced at $30. it is on sale for 30% off the regular price. what is the sale price?

Mathematics
1 answer:
Alex Ar [27]3 years ago
8 0

I would say the new price is $21

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<h3>Answer: Point E is located at (2, 3)</h3>

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Explanation:

The sequence PQRST has T as the last letter.

The sequence ABCDE has E as the last letter

The two letters T and E pair up or they correspond. So T will rotate to land on point E. Or T will rotate to point E's location.

Point T is at location (-3,2). So x = -3 and y = 2.

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Use the rule

(x,y) ---> (y, -x)

which is the rule we use when we rotate any point 90 degrees clockwise around the origin. We swap the x and y coordinates, then change the sign of the second coordinate (after the swap happens).

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3 years ago
An airplane covers 94 miles in 1/6 of an hour. How many miles the plane can cover in 6 hours?
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Let's find what 1/6 of an hour is.

1/6×60=10

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Dos motos, A y B, toman la salida en una carrera de 90 km. La moto A realiza el recorrido con una velocidad media inferior en 20
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Answer:

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motorcycle B: 200 km/h

Step-by-step explanation:

To solve this question we need to write a system of equations for A and B, using the equation:

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The speed of A is 20 less than the speed of B, so:

speedA = speedB - 20

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90 = 90 + 0.05 * speedB - 20*timeB - 1

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timeB = (speedB - 20)/400

using this timeB in the distance equation, we have:

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90 * 400 = speedB^2 - 20*speedB

speedB^2 - 20*speedB - 36000 = 0

Solving this quadratic equation, we have speedB = 200 km/h

And the speedA is:

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