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Ede4ka [16]
3 years ago
13

Can someone please help me?

Mathematics
1 answer:
Karolina [17]3 years ago
6 0

Answer:

(-3, -2)

Step-by-step explanation:

The transformation (x, y) ⇒ (y, -x) represents a rotation of 270° CCW about the origin (or 90° CW).

This transformation maps the point Q(2, -3) to Q'(-3, -2).

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Step-by-step explanation:

Shawana can paint a fence in 8hours which means in one hour she can paint 1/8 of a fence.

Kevin can paint the same fence in 4 hours, so in one hour he can paint 1/4 of the fence.

Together in 1 hour they can paint 1/8 + 1/4 = 3/8

Total hours for painting is 3/8 or 2.66 hours

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3 years ago
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Step-by-step explanation:

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Step-by-step explanation:

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P = \frac{D}{T}

In this problem, we have that:

Desired outcomes:

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Total outcomes:

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