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lukranit [14]
2 years ago
7

Consider the trapezoid shown below. 6 in. 4 in. 6 in. 6 in. (not drawn to scale)

Mathematics
1 answer:
AnnyKZ [126]2 years ago
7 0

Answer:

36

Step-by-step explanation:

1/2bh

1/2 (6*4) =12

Considering there are three triangles we will multiply by 3

12*3=36

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Andrew bought supplies for the office. He bought memo pads that cost $17.96 and computer paper that cost $45.67. How much change
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3 years ago
How do I do question 11? Please help me thank you
aleksley [76]
<h3>Given</h3>
  • length, width, and height of a cuboid are x, x, and 2x, respectively
  • the cuboid's surface area is 129.6 cm²
  • dx/dt = 0.01 cm/s
<h3>Find</h3>
  • dV/dt for the given conditions
<h3>Solution</h3>

The equation for surface area can be written

... A = 2(LW +H(L +W))

Substituting the given values gives an equation that we can solve for x

... 129.6 = 2(x·x +2x(x +x)) = 10x²

... x = √(129.6/10) = 3.6 . . . . . . . cm

The equation for volume can be written

... V = LWH

Substituting the given values gives an expression for volume in terms of x.

... V = x·x·2x = 2x³

Then the rate of change of volume is

... dV/dt = 6x²·dx/dt

... dV/dt = 6·(3.6 cm)²·(0.01 cm/s)

... dV/dt = 0.7776 cm³/s

5 0
3 years ago
27 millimeters = how many centimeters?
finlep [7]
The correct answer would be 2.7 centimeters. Hope this was helpful, and if so, please give Brainliest. (:
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