2 years ago

If ABCDE is reflected across the line y=-1, then reflected again across they

Mathematics

2 answers:

adoni [48]2 years ago

3 0

Answer:

B (-4,-4)

Step-by-step explanation:

Mila [183]2 years ago

3 0

Answer:

Step-by-step explanation:

Since it is currently at (4,2), reflecting it across y=-1 will bring the y-coordinate down to -4. After that, reflecting it across the y-axis will flip the sign in front of the x-coordinate, so 4 to -4. Therefore, your answer is (-4,-4).

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The clock was exactly on time at 7am at 1pm the clock was 228 seconds late at that rate how slow was the clock half an hour

yan [13]

Answer:

19 seconds.

Step-by-step explanation:

Given that the clock was exactly on time at 7am, and at 1pm the clock was 228 seconds late, to determine, at that rate, how slow was the clock half an hour, the following calculation must be performed:

1 PM = 13:00

13 - 7 = 6

228/6 = 38

38/2 = 19

Thus, every half hour the clock is delayed 19 seconds.

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2 years ago

How are the points (8,7) and (-8,7) related?

melisa1 [442]

Answer:

The point (-8,7) is the reflection of the point (8,7)

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