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1 answer:
Answer:
Step-by-step explanation:
<u><em>The image and a pre-image after dilation with coefficient 1 are congruent.</em></u>
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Answer:
.78 x = 42
x = 42 / .78
The number is 53.8461538462
Step-by-step explanation:
Answer:
63in. 2
Step-by-step explanation:
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Answer:
3
Step-by-step explanation:
5x - 8 = 7
5x = 7+8
5x = 15
x = 15 ÷ 5
x = 3
322 is 7/10 of all the students.
322 / 7 = 46
46 is 1/10 of all the students.
46 × 10 = 460
460 is 10/10 of all the students
There are 460 students in eighth grade.
