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asambeis [7]
4 years ago
15

Find the area of the shape shown below.

Mathematics
1 answer:
Alona [7]4 years ago
6 0

Answer:

15

Step-by-step explanation:

Area of a square: l^2

Substitute: 3^2 = 9

Area of a Right Triangle = 1/2*bh

Substitute: 1/2*(7-3)(3) = 1/2*4(3) = 6

Area = 6 + 9 = 15

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The depth y (in inches) of a lake after x years is represented by the equation y=0.2x+42 . How much does the depth of the lake i
blagie [28]

Answer:

<h2><em><u> 42.8 in</u></em></h2>

Step-by-step explanation:

Step one:

given data

we are told that the expression for the depth of a lake after x years is given by

y=0.2x+42

Required

The value of y when x= 4

Step two:

substitute the value of x in the expression to get y

y=0.2(4)+42\\\\y=0.8+42\\\\y=42.8\\\\

<em><u>After 4 years the depth will increase by 42.8 in</u></em>

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Answer:

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Mekhanik [1.2K]

Answer:

  • 24 units

Step-by-step explanation:

According to the midsegment theorem, the length of each side of the formed triangle is the half the parallel side of DEF.

<u>So the perimeter is:</u>

  • P = 1/2(12 + 16 + 20) = 24
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