Will mark brainliest if correct answer

Mathematics

2 answers:

Vitek1552 [10]2 years ago

6 0

Answer:

The answer is 120

Step-by-step explanation:

olga_2 [115]2 years ago

6 0

Answer:

144

Step-by-step explanation:

The way to figure this out is to count how many units there are across(6), down(4), and deep(6), and multiply them together

6 x 6 x 4 = 144

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IrinaK [193]

Answer:

Step-by-step explanation:

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5 0

2 years ago

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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

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