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trapecia [35]
3 years ago
8

Please help!!! keep in mind this is a REVIEW question. Which of the following is NOT a congruence transformation? A. a dilation

with scale factor 1 B. a reflection across the y-axis C. a translation 5 units down D. a dilation with scale factor 2
Mathematics
1 answer:
Lady_Fox [76]3 years ago
4 0

Answer:

Hey there!

A congruence transformation maintains the size of the shape.

Thus, a dilation with scale factor 2 is not a congruence transformation.

Let me know if this helps :)

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Irina-Kira [14]

Answer:

I think it might be the 2 one

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3 years ago
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cestrela7 [59]
Presumably d meanst distance and t means time.

When t = 1, d = 2.5
When t = 3, d = 4

d = mt + b
2.5 = m + b [t = 1]
4.0 = 3m + b [t = 2]
1.5 = 2m [subtract]
m = .75 = slope
b = 1.75 = d-intercept
d = .75t + 1.75
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6 0
2 years ago
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Ymorist [56]
A) she incorrectly determined the GCF.

The GCF of 32ab - ab would be ab, not 8b.
7 0
3 years ago
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The internet was used by 30% of the population of a state in 2008. If 3200 people were surveyed, how many in the survey were usi
andrew-mc [135]
1. We know that 30% expressed as a decimal is 0.30

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4 0
3 years ago
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Vikentia [17]

Answer:

9.89 m

Step-by-step explanation:

AC is the hypotenuse (H)

x is the opposite (O)

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H=7.9/sin(53)

=9.89187169943418

3 SF

9.89 m

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