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3 years ago

Please help me ASAP! thank you I’m just really confused:)

Mathematics

2 answers:

Debora [2.8K]3 years ago

7 0

Lol this one is kind of confusing but i think it’s C because there can be a centipede that is missing a leg lol

lukranit [14]3 years ago

6 0

The Triangle Angle Sum Theorem states that the sum of all interior angles of a triangle add up to 180 degrees.

Only Amy proved the theorem because she used postulates and theorems to construct a logical argument to show that the interior angles in a triangle add up to 180 degrees.

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Find the total area for the regular pyramid.

hram777 [196]

Answer:

Option B

Step-by-step explanation:

Given is the hexagonal pyramid.

We know the radius of the base is same as its side.

Find the base area:

A = 3√3/2a²
A = 3√3/2*6² = 54√3

Given the height and radius, find the side of the lateral triangular faces:

$\sqrt{8^2+6^2} =\sqrt{100} =10$

Each of 6 triangles have sides 10, 10 and 6 units.

Find the area using heron's formula:

s = P/2 = (10*2 + 6)/2 = 13
s - a = s - b = 13 - 10 = 3
s - c = 13 - 6 = 7
$A = \sqrt{s(s-a)(s-b)(s-c)} =\sqrt{13*3*3*7} =3\sqrt{91}$

Total surface area:

$S = 6*3\sqrt{91}+54\sqrt{3} =18\sqrt{91}+54\sqrt{3}$

Correct choice is B

3 0

2 years ago

The given right rectangular prism is composed of small cubes. Find the following is the volume of the prism and the volume of on

valina [46]

Answer:

The big prism= $\frac{25}{18}$ feet squared

Each individual cube= 216 inches squared

Step-by-step explanation:

The big prism LxWxH

The individual cube = 1 foot/6 (amount of edges made of small cubes) = 2 inches.

IDK how to convert from inches to feet though cause I ain't American. Sorry.

Hope that helped!!! k

5 0

3 years ago

HELP MEEEEE I NEED TO KNOW THE ANSWER FOR MY QUIZ

ss7ja [257]

Answer: 271.0638298 is - 8,- 3

Step-by-step explanation:

-3y<2+ +18=

6 0

3 years ago

Solve the compound inequality 8x > –32 or 6x ≤ –48.

Korvikt [17]

Answer:

x>-4 x≤-8

Step-by-step explanation:

3 0

3 years ago

Nick has 7.00. Bagels cost .75 each, and a small container if cream cheese costs 1.29. Write an inequality to find the numbers o

DENIUS [597]

.75x +1.29 = 7.00

x = the amount of bagels he wants.

6 0

2 years ago