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Elan Coil [88]
3 years ago
13

1. Point A(-5,8) is reflected across the line y = x. What are the coordinates of A'? Show your work and explain.

Mathematics
1 answer:
Simora [160]3 years ago
8 0

Answer:

The coordinates of  A'(8,-5)

Step-by-step explanation:

we know that

When you reflect a point across the line y = x, the x-coordinate and y-coordinate change places

so

The rule of the reflection across the line y=x is

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

we have the point A(-5,8)

Applying the rule of the reflection across the line y=x

A(-5,8) ----> A'(8,-5)

see the attached figure to better understand the problem

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What is the value of n in the equation 1/2(n – 4) – 3 = 3 – (2n + 3)?
Travka [436]
Distribute 1/2 to <span>(n – 4):

</span>\frac{1}{2} \times n = \frac{1}{2}n
\frac{1}{2} \times -4 = -2
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Subtract (2n + 3):

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Your equation should now look like this:

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8 0
2 years ago
Read 2 more answers
At 3pm the temperature was 9 degrees .By 11pm ,it had dropped 31 degrees .What was the temperature at 11pm
o-na [289]

Answer:

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Step-by-step explanation:

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