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jeka57 [31]
3 years ago
6

Can someone please help me... I am totally confusedd!!!

Mathematics
1 answer:
Bas_tet [7]3 years ago
3 0
The length would be 6
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A triangle has a perimeter of 39 feet. If the three sides of the triangle are n, 4n-2, and 5n-9, what is the length of each side
lyudmila [28]

Answer:

The sides are 5,18,16

Step-by-step explanation:

To find the perimeter of a triangle, we add up all the sides

n +4n-2 + 5n-9 = 39

Combine like terms

10n -11 = 39

Add 11 to each side

10n-11+11 = 39+11

10n = 50

Divide by 10

10n/10 =50/10

n = 5

Now we need to find each side

n = 5

4n-2 = 4(5)-2 = 20-2 =18

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5 0
3 years ago
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ANTONII [103]

Answer:

The length is 7.2 feet.

Step-by-step explanation:

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8 0
3 years ago
What is the measure of each interior angle of the regular polygon pictured below? If necessary, round to the nearest tenth.
sesenic [268]

Answer:

144

Step-by-step explanation:

The measure of each interior angle formula:

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The number can be written as 4 tens 2 ones is 42
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