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3 years ago

Please help really fast :)

Mathematics

1 answer:

olasank [31]3 years ago

4 0

Answer:

Step-by-step explanation:

The two smaller angles add up to the measure of the total angle, so

(like a lot of geometry) it is really just an Algebra 1 problem with a nice picture to go with it ---> (5x + 13°) + (3x + 33°) = 70°

8x + 46° = 70°

8x = 24°

x = 3°

There is no actual question shown, but I imagine you want one or more of the following:

x = 3°

∠ABC = 3(3°) + 33° = 9°+ 33° = 42°

∠CBD = 5(3°) + 13° = 15° + 13° = 28°

Hope this helps.

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rodikova [14]

Solution:

First, let's find the surface area of the triangular prism.

2(1/2 x 8 x 12) + 2(10 x 6) + (12 x 6) = Surface area of triangular prism
=> (8 x 12) + 2(60) + (72) = Surface area of triangular prism
=> (96) + 120 + 72 = Surface area of triangular prism
=> 96 + 192 = Surface area of triangular prism
=> 288 ft² = Surface area of triangular prism

Now, let's find the surface area of the rectangular prism.

2(18 x 9) + 2(6 x 9) + 2(6 x 18)
=> 2(162) + 2(54) + 2(108)
=> 324 + 108 + 216
=> 2(324) = 648 ft²

Now, add both the surface areas to find the surface area of the figure.

288 + 648 = Surface area of figure
=> 936 ft² = Surface area of figure

The surface area of the figure is 936 ft².

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DanielleElmas [232]

Answer:

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Step-by-step explanation:

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3 years ago

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djyliett [7]

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$\bf \qquad \qquad \textit{direct proportional variation}\\\\
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3 years ago

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damaskus [11]

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Please help really fast :)​

Please help really fast :)