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svlad2 [7]
3 years ago
8

Can y'all solve them and show me the steps on how you did it

Mathematics
1 answer:
Vitek1552 [10]3 years ago
7 0
12: Only G represents a function because it is the only one that has only one               output for each input.
13: Black because red is about 33%, green is about 22%, blue is 28%, and black is 17%. 17% is the lowest percentage so black is the answer.
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All the edges of a regular square pyramid have length 8. find the Volume of the pyramid, Lateral area of the pyramid and the Tot
RUDIKE [14]

Answer:

V = 120.6796

LA = 110.8513

SA = 174.8513

Step-by-step explanation:

Let me know if you need more of an explanation for any of these

First we need the height, one way to find that out is to use the diagonal of the  and one of the diagonal edges of the pyramid.  Specifically we will need half of the diagonal of the square.  We will call the diagonal of the square d.

8^2+8^2=d^2\\d=\sqrt{64+64} \\d=\sqrt{128}

Gonna leave it like that for ease of writing.  So then half of the diagonal is \frac{\sqrt{128}}{2}

The height, h, will be (\frac{d}{2})^2+h^2 = 8^2.  Plugging everything in gets us h=\sqrt{32}

last, we need to find slant height, which we will call s.

(\frac{8}{2})^2+h^2 = s^2\\s=\sqrt{48}

s is also the height of the triangles for purposes of finding area.  Now for the volume and areas.

Volume is area of the base times height divided by 3, so V=8^2\frac{\sqrt{32} }{3}  = \frac{64\sqrt{48} }{3} = 120.6796

Lateral area is the sum of the four areas of the triangles, and each of those are \frac{8*h}{2} so the whole lateral area is 4 times that.  So we get 4\frac{8\sqrt{32} }{2} =110.8513

Total surface area is the lateral surface area + the area of the base, so 110.8513 + 64 = 174.8513

6 0
3 years ago
The width of the rectangle shown below is 8 inches (in.). The length is 3 feet (ft.).
Paraphin [41]

the answer about be am number one child so yeah

5 0
2 years ago
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(3/6) to the power of 2 + 7 x 4 - 5​
mrs_skeptik [129]

Answer:

0.00000003

Step-by-step explanation:

2+ 7 * 4 - 5 = 25

(3/6) ^ 25 = 0.00000003

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2 years ago
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What was his temperature then?
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100 is his temperature two hours later
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Suppose that 4% of a population has a virus. You test 1064 people. You wish to find the probability that 45 of the people in the
swat32
So if you want to find the answer you would find it by doing it yourself
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