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never [62]
3 years ago
9

2 is a solution for True or False

Mathematics
2 answers:
Tresset [83]3 years ago
4 0

Answer:

False

Step-by-step explanation:

When there is an open circle, it means that it can't be that exact number. If there is a closed circle, it can be that number. This is an open circle, and means that it is less than 2.

Vsevolod [243]3 years ago
3 0

Answer:

False

Step-by-step explanation:

The open circle means you should not include the number it is on.

The inequality would look like, x<2 and not equal to. Therefore, 2 is not a solution.

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A triangle has sides that are 3, 7, and squareroot 57. Is the triangle a right triangle?
tigry1 [53]

Answer:

my answer is no because for a right angle triangle the sum of the squares of the other two sides is equal to the square of the longest side

3²+7²=9+49=58

(√57)²=57

57≠58 it's not a right angle triangle

assume the sides to be a,b and c

a=3 b=7 c=√57

by Pythagoras theorem

a²+b²=c²

3²+7²=√57²

but 58≠57

hope it's clear

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3 years ago
8(5 + 4n) + 11 = -5(3 - 7n)
diamong [38]

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3 years ago
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gogolik [260]

No. Since we cannot factor,

c^5-49.

Hope this helps.

r3t40

4 0
3 years ago
Please help me I really need help
Basile [38]

Answer:

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This should help

6 0
3 years ago
11√3-√12<br><br> can you please help me solve this?
andrew-mc [135]

Answer:

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Step-by-step explanation:

11√3-√12 = 11√3-2√3 = 9√3

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