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SIZIF [17.4K]
1 year ago
11

Dan drops his fishing lure 3 feet below the surface, raises it 1 1/2 feet, and then drops it 2 1/4 feet

Mathematics
1 answer:
grigory [225]1 year ago
5 0

Answer:

Decimal: 3.75     Fraction: 3 3/4

Step-by-step explanation:

3 - 1.5 = 1.5

1.5 + 2.25 = 3.75

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Answer:

y =14

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Step-by-step explanation:

The perimeter of a triangle is the sum of all three sides

3x+2y + 11x+y = 91

Combine like terms

14x +3y = 91

The lines mean the sides are equal

3x+2y = 11x

Simplify

Subtract 3x from each side

3x-3x+2y = 11x-3x

2y = 8x

Divide by 2

2y/2 = 8x/2

y = 4x

Substitute 4x in the first equation every time you see y

14x +3y = 91

14x +3(4x) = 91

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26x = 91

Divide by 26

26x/26 =91/26

x = 3.5

Now we can find y

y = 4x

y = 4(3.5)

y = 14

We know x and y we can find the length of each of the sides

y =14

11x = 11*3.5 =38.5

3x+2y = 11x = 38.5

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