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melomori [17]
2 years ago
13

PLEASE HELP ILL THANK U AND RATE

Mathematics
2 answers:
nikklg [1K]2 years ago
8 0

The answer is 24ft squared. 3x4x2=21ft squared

MrRa [10]2 years ago
7 0

Since u need the surface area of a rectangular prism it is length•width•height so the answer is 24 feet squared

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tigry1 [53]

Answer:

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Step-by-step explanation:

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3 years ago
Evaluate the following double integral: xy dA D where the region D is the triangular region whose vertices are (0, 0), (0, 3), (
natulia [17]

Answer:

I= 84

Step-by-step explanation:

for

I=\int\limits^{}_{} \int\limits^{}_D {x*y}  \, dA =  \int\limits^{}_{} \int\limits^{}_D {x*y}  \, dx*dy

since D is the rectangle such that 0<x<3 , 0<y<3

I=\int\limits^{}_{} \int\limits^{}_D {x*y}  \, dA =  \int\limits^{3}_{0} \int\limits^{3}_{0} {x*y}  \, dx*dy =  \int\limits^{3}_{0} {x}  \, dx\int\limits^{3}_{0} {y}  \, dy  = x^{2} /2*y^{2} /2 =  (3^{2} /2 - 0^{2} /2)* (3^{2} /2 - 0^{2} /2) = 3^{4} /4 = 81/4

4 0
3 years ago
Freshman Year
prohojiy [21]
I think it b t up Orlando
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2 years ago
I really need help !!
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