Another triangle also has side lengths in a ratio of 3: 4: 5 the largest side is 30 inches. what is the perimeter of the triangle

72 inches

Step-by-step explanation:

The total in ratio would be 3 + 4 + 5 = 12

The largest side is the ratio of "5". Now we can setup a proportionality and solve for other sides:

Let smallest side (3) be x and 2nd largest be (4) y. SO,

18 is the smallest side.

Also

2nd largest side is 24

We know largest side is 30

Thus perimeter (sum of 3 sides) = 18 + 24 + 30 = 72 inches

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !

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step-by-step explanation: