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katrin2010 [14]
1 year ago
6

I need help on a question

Mathematics
1 answer:
schepotkina [342]1 year ago
3 0

Given the figure of a regular pyramid

The base of the pyramid is a hexagon with a side length = 6

The lateral area is 6 times the area of one of the side triangles

So, the side triangle has a base = 6

The height will be:

\begin{gathered} h^2=6^2+(\frac{\sqrt[]{3}}{2}\cdot6)^2=36+27=63 \\ h=\sqrt[]{63} \end{gathered}

so, the lateral area =

6\cdot\frac{1}{2}\cdot6\cdot\sqrt[]{63}=18\sqrt[]{63}

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How much money is one quarter five nickel three dimes
Rufina [12.5K]

Answer:

$.80 or 80¢

Step-by-step explanation:

US Coin Denominations are as follows:

Quarters: $.25

Dime: $.10

Nickel: $.05

Penny: $.01

We can now use the following

(1*25)+(5*5)+(3*10)=80

4 0
2 years ago
A living room wall is 13 feet long. How far from the corner would you have to the edge of a 3ft 6in shelf for it to be centered
kolbaska11 [484]

Answer:

You start the shelf 4 ft. 9 in. from the wall.

Step-by-step explanation:

The game plan is to take the length of the shelf away from the length of the wall, and then divide the remaining part into two equal pieces.

13 ft.

-  3 ft. 6 in.

12 ft  12 in,

- 3ft    6 in

9 ft   6 in.

9 ft. 6 inches divided by 2 equals 4.5 ft, 3 in.

.5 ft * 12 inches = 6 inches

You start the shelf 4 ft. 9 in. from the wall.

5 0
3 years ago
Choose the correct pair.
blondinia [14]
X+y=10
y=x-6

x + (x-6) = 10
2× - 6 = 10
2× = 4
x=2

(2, -4)
6 0
3 years ago
A square garden is surrounded by a walk 2 yard wide area. If the area of the walk is 96 square yards, what is the area of the ga
rodikova [14]
The total area around the garden is 48
4 0
3 years ago
Read 2 more answers
Convert 3/8 into percent show the work
Kipish [7]
To get the decimal think of 3/8 as a division question -3 divided by 8

3/8=0.375

now times the decimal by 100

0.375 * 100=37.5

so the answer is going to be 37.5%
4 0
3 years ago
Read 2 more answers
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