Find the surface area of the regular pyramid shown to the nearest whole number. plz help

Answers

Answer 1

Answer: The surface area of the regular hexagonal pyramid is
SA = (1/2) pl + B
where p is the perimeter of the base, l is the slant height of the pyramid, and B is the area of the base
The area of a regular hexagon is 3 sh
where s is the length of the side and h is the length of the apothem.
So,
SA = (1/2)(6)(12) (11) + 3(12)(6sqrt3)
SA = 770 square meters

Answer 2

Answer:

Hi !!

The answer is B, 770, if you have an questions please feel free to ask, i have done this test already i got 100, need help with other answer just send me, and i will answer right away :).

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Answers

The last side would be 10

Factoring the expression 20a^3b^3 – 24a^5b^2 + 4a^3b^2 gives a new expression of the formUa^xb^y (Wa^2 + Vb+ z), where U > 0.

What is the value of U?

What is the value of W?

What is the value of V?

What is the value of Z?

What is the value of x?

What is the value of y?

Answers

Answer:

The value of U = 4

The value of W = -6

The value of V = 5

The value of Z = 1

The value of x = 3

The value of y =2

Step-by-step explanation:

Given:

20a³b³ – 24a⁵b² + 4a³b²

Solution:

Lets first factorize this expression:

20a³b³ – 24a⁵b² + 4a³b²

= −24a⁵b² + 20a³b³ +4a³b²

Taking 4a³b² common

= 4a³b² (−6a² + 5b + 1) ___ (1)

Now you can see this expression takes the form:

Ua^xb^y (Wa^2 + Vb+ z), where U > 0.

$Ua^(x)b^(y) (Wa^(2) + Vb + z)$

Now you can clearly see from (1)

The value of U is 4

The value of W is -6

The value of V is 5

The value of Z is 1

The value of x is 3

The value of y is 2

However if we take minus common from above equation:

20a³b³ – 24a⁵b² + 4a³b²

= −24a⁵b² + 20a³b³ +4a³b²

Taking 4a³b² common

= - 4a³b² (6a² - 5b - 1) ___ (1)

In this case the value of U is - 4, W is 6 , V is -5, Z is -1 , x is 3 and b is 2

What is the equation of -1/2 that passes through the point (6,-6) Options are ..1) y= 1/2x-3
2) y= -1/2x+3
3) y= -1/2x-3
4) y= -2x-3

Please explain why the answer is what it is.

Answers

formula of the line is
y = mx + c
we know y, m and x, find c

-6 = $- (1)/(2)$ (6) + c
-6 = -3 + c
-6 + 3 = -3 + 3 + c
-3 = c

y = $- (1)/(2) x$ - 3

Answer is the third one.

Eighty is what percent of 200?

40%

20%

5%

80%