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juin [17]
3 years ago
11

Please Help! Need this to pass :/

Mathematics
1 answer:
Serhud [2]3 years ago
6 0

Answer:

63°

Step-by-step explanation:

...................................

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A 4-column table with 4 rows. The first column has no label with entries C, D, E, total. The second column is labeled A with ent
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0.69

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Just did it on edge and got it right

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An item is regularly priced at $40 It is on sale for 30% off the regular price. How much (in dollars) is discounted from the reg
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2 years ago
18+ 0.50x=12 + 0.75x
Veronika [31]

Answer:

x = 24

Step-by-step explanation:

18 + 0.5x = 12 +0.75 x

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What is the surface area of this composite solid?______________ square feet 242 319 363 517
jeka57 [31]

Answer:

<h2>The right answer is 415.4 cubic feet.</h2>

Step-by-step explanation:

As you can observe in the image attached, the composite figure is formed by a square prism and a pyramid on top.

We need to find the volum of each part separately.

<h3> Square prism.</h3>

V_{prims}=11 \times 11 \times 2=242 \ ft^{3}

<h3>Square pyramid.</h3>

First, we need to find the height of the pyramid. We already know the height of each triangular face of the pyramid, which divides equally the side.

Let's use Pythagorean's Theorem to find the height of the pyramid.

7^{2}=h^{2} +(5.5)^{2}\\  49-30.25=h^{2}\\ h=\sqrt{18.75} \approx 4.3

The height is 4.3 feet, approximately.

Now, we find the volume of the pyramid

V_{pyramid}=\frac{1}{3}(11 \times 11 \times 4.3) \approx 173.4ft^{3}

The sum of both figures represents the total volume of the composite figure

V_{total}=242+173.4=415.4ft^{3}

Therefore, the right answer is 415.4 cubic feet.

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3 years ago
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What is 3x + 4 = x + 8
xxMikexx [17]

Answer:

x is equal to 2

Step-by-step explanation:

2x+4=8

2x=4

x=2

4 0
3 years ago
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