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Llana [10]
3 years ago
14

Someone please solve this ASAP and give answer as a square root

Mathematics
1 answer:
natima [27]3 years ago
8 0
Given pyramid with a regular hexagonal base,
side length=6\sqrt{3} cm
Height = 4 cm

We need to find the area of the hexagonal base.  First step is to find the apothm,
a=side*(\sqrt{3}/2 
=6*3/2=9
So the area of each equilateral triangle making up the base
=base*apothem/2
=6\sqrt{3} *9/2
=27\sqrt{3}
The area of base = 6 area of each triangle
=6*27\sqrt{3}
=162\sqrt{3}

Volume of pyramid = area of base * height /3
=162\sqrt{3}*4/3
=216\sqrt{3}

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Alchen [17]
Hello! I would love to help!

Let's start with this part of the equation: "the sum of a number and seven"

Alright. We know that x represents an unknown number. Do you see a part of the equation that could translate to "an unknown number?"

I see "a number." So let's fill X in for "a number.

Alright. So now we have "the sum of x and 7."

Next, let's remember that sum means adding. So we just need to 7 to x

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So, now instead of "the sum of a number and 7" we have x+7.

Alright. Now we just have to do the "twice." When it is asking for "twice", it is asking us to multiply our answer by two. But we need to multiply both x and 7. The best way to do that is to put our "x+7" in parenthesis and put a two outside.

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5 0
3 years ago
How do i solve the system of equations by graphing?<br>2x+y=7 <br>x-2y=6
scoray [572]

Answer:


Step-by-step explanation:

1. y = -2x + 7

2. Graph it (Mark (0, 7) or 7 on the y axis and go over one, down two, mark it and draw a line through both)

3. -2y = -x + 6

4. divide entire equation by 2 to isolate y

5. -y = -x + 3

6. multiply entire equation by -1 to make it positive

7. y=x+3

8. graph it (Mark (0,3) and go over one, down one, mark it and draw a line through both new points)

9. Where the lines intersect is your answer

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3 years ago
72 greater than a is at least 7
KonstantinChe [14]
It could be? the 7 could be 7 to literally any number soooo
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3 years ago
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