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castortr0y [4]
2 years ago
13

Pleas answer this fast i dont under stand

Mathematics
2 answers:
Lorico [155]2 years ago
5 0

Answer:

196ft^2

Step-by-step explanation:

direct the diagram as shown in my image attachment

A = 1/2 x (18-(9-7)) x (6+8) = 112ft^2

B = 2 x (6+8) = 28ft^2

C = 7 x 8 = 56ft^2

total area = 112 + 28 + 56 = 196ft^2

for more math tips do check out my insta: learntionary

NemiM [27]2 years ago
4 0

Answer:

196 ft²

Explanation:

Consider the given image.

Area of ΔABC

= ½bh

= ½ × (18 ft + 7 ft - 9 ft) × (8 ft + 6 ft)

= ½ × 16 ft × 14 ft

= 8 ft × 14 ft

= 112 ft²

Area of rectangle BEDC

= lw

= (8 ft + 6 ft) × (9 ft - 7ft)

= 14 ft × 2 ft

= 28 ft²

Area of rectangle EFGH

= lw

= 8 ft × 7 ft

= 56 ft²

Total area of the figure

= Area of ΔABC + Area of rectangle BEDC + Area of rectangle EFGH

= 112 ft² + 28 ft² + 56 ft²

= 196 ft²

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vfiekz [6]

Answer:the output for a wind speed of 40 miles per hour is 810.8 kilowatts.

Step-by-step explanation:

The power P produced by a wind turbine is directly proportional to the cube of the wind speed S. This means that

P is directly proportional to S

Introducing a constant of proportionality, k, it becomes

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P = 20.27S

Therefore, the output for a wind speed of 40 miles per hour would be

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6 0
2 years ago
Use the quadratic model y = −4x2 − 3x + 4 to predict y if x equals 5.
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Step-by-step explanation:

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7 0
3 years ago
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egoroff_w [7]

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A. (-13,-3)

Step-by-step explanation:

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a=3+4b=3+4\cdot (-4)=3-16=-13

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