4 years ago

The sides of a triangle are consecutive integers.if its perimeter is 126cm,find the lenghts of the sides.

1 answer:

Neko [114]4 years ago

3 0

X + (x + 1) + (x + 2) = 126
3x = 123
x = 41
So the sides are 41, 42 and 43

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Naddik [55]

Answer:

4x² + 41x - 33

Step-by-step explanation:

F in foil stands for 'first'; take the first value in each bracket and multiply them together. So 4x × x = 4x²
O in foil stands for 'outside'; take the outermost values from each bracket and multiply them together. So 4x × 11 = 44x
I in foil stands for 'inside'; take the innermost values for each bracket and multiply them together. So -3 × x = -3x
Finally, L in foil stands for 'last'; take the last value in each bracket and multiply them together. So -3 × 11 = -33
Now, we can put this all together and simplify: 4x² + 44x - 3x - 33 → 4x² + 41x - 33.

Hope this helps!

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2 years ago

katrin2010 [14]

Answer:

Step-by-step explanation:

here you go 36÷4=9 or 4x9=36

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4 years ago