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lakkis [162]
2 years ago
10

A square of an even number is always even.True or false?​

Mathematics
2 answers:
kondaur [170]2 years ago
8 0

Answer:

True

Step-by-step explanation:

The square of an even number is always even.

Examples:

8² = 64

64² = 4096

6² = 36

13040² = 170,041,600

aksik [14]2 years ago
5 0

Answer:

Mostly likely it's True

Step-by-step explanation:

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Answer:..Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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It’s a review please HELP ASAP I’ve been stuck on it for awhile now
AlladinOne [14]
<h3>Answer:   7 goes in the blank space</h3>

The range of values for x is 2 < x < 7

========================================

Explanation:

The hinge theorem says that the larger the opposite side is, the larger the angle will be.

AD = 11, DC = 8

Since AD > DC, this means angle ABD > angle DBC.

--------

angle ABD > angle DBC

20 > 4x-8

20+8 > 4x-8+8 ... add 8 to both sides

28 > 4x

4x < 28 ... flip both sides and the inequality sign

4x/4 < 28/4 ... divide both sides by 4

x < 7

--------

At the same time, the angle 4x-8 cannot be 0 or negative.

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4x-8 > 0

4x-8+8 > 0+8 ... add 8 to both sides

4x > 8

4x/4 > 8/4 ... divide both sides by 4

x > 2

2 < x ... flip both sides and the inequality sign

--------

We have 2 < x and x < 7. Both of these combine to the compound inequality 2 < x < 7

We can pick any value between 2 and 7 as long as we dont pick x = 2 or we dont pick x = 7.

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