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ICE Princess25 [194]
3 years ago
10

Someone please help me with this

Mathematics
1 answer:
atroni [7]3 years ago
3 0

1. B A C

Reason:

A: 4\pi is 12.6

B: the Square root of 18.7 is 4.32


2. a

Reason: the square root of 80 is 8.9, thus closest to 9 from all the others.


3. C

Reason: 6/7 = 0.86, and the square root of 3/4 = 0.87

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3 years ago
Help me for brainlist.
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4 0
3 years ago
Read 2 more answers
Factor by grouping.......
Gekata [30.6K]

Answer:

A. (7n-1) (8n-1)

Step-by-step explanation:

56n^2 -8n-7n+1

56n^2 -8n       -7n+1

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8n (7n-1)     -1(7n-1)

Factor out the (7n-1)

(7n-1) (8n-1)

7 0
3 years ago
How can they been proven congruent ?
telo118 [61]
The two angles marked are congruent.
That is one pair of congruent angles.   ------->    A
Then the vertical angles are congruent.
That is a second pair of congruent angles.    -------> A
Finally, we have the two sides marked congruent.
That is one pair of congruent sides.    ------> S

Put together what we have above, and it gives us AAS.
7 0
3 years ago
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