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2 years ago

What value of x makes this equation true? x/3 - 3 = x/9 + 3

Mathematics

1 answer:

aalyn [17]2 years ago

4 0

Answer:

x = 27

Step-by-step explanation:

hope this helps :)

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If the sum of the measures of the interior angles of a polygon is 1920°, how many sides does it have?

gizmo_the_mogwai [7]

Answer:

The regular polygon has 13 sides

Correct statement and question:

If the sum of the measures of the interior angles of a polygon is 1980°, how many sides does it have?

Source:

1,920° is not a valid value for a regular polygon. It should be either 1,980° or 1,800° (it has to be a multiple of 180). We pick 1,980° to answer the question.

Step-by-step explanation:

Let's recall that the formula of the sum of the interior angles of any polygon is:

Sum of Interior Angles = (n-2) * 180°, where n is the number of sides of the polygon.

Therefore, replacing with the value we know:

1,980 = (n-2) * 180

n - 2 = 1,980/180

n - 2 = 11

n = 13

7 0

3 years ago

The area of the rectangular garden is 38 1/4 square meters the width of the garden is 4 1/2meters find the length of the garden

faltersainse [42]

Answer:

Area = Length * Width

38 1/4 = L * 4 1/2

L = (38 1/4)/(4 1/2) = (153/4)/(9/2) = (153 * 2)/(4 * 9) = 17 1/2

Step-by-step explanation:

6 0

3 years ago

What is the answer to 7b-b=-6

sergejj [24]

6b=-6
b=-1
my answer need to be long, that is why I write this sentence

3 0

3 years ago

Read 2 more answers

Polyhedron P is a cube with a corner removed and relocated to the top of P. Polyhedron Q is a cube. How do their surface areas c

tatiyna

Answer:

C. P’s surface area is greater than Q’s surface area.

Step-by-step explanation:

Refer to attached

With a corner removed, it doesn't change surface area of the cube as same area is exposed equal to the area of 3 small faces.

With the corner relocated to the top of the cube, it covers the area of one small face but adds up small 5 faces (4 sides and one top). In total the P has more surface area than the Q.

Correct answer choice is C.

4 0

3 years ago

List all of the partitions of 6. For each partition π , give a permutation σπ is in S6 whose cycle structure is given by that pa

Mrac [35]

Answer:

Each partition of 6 corresponds to a conjugation class in S_6.

For instance, the partitions of 6 can be described as,

1. 6 : example cycle type (1, 2, 3, 4 ,5 ,6)

2. 5+1 : example cycle type (1, 2, 3, ,4 ,5)(6) = (1, 2, 3, 4 ,5)

3. 4+2 : example cycle type (1, 2, 3, 4)(5,6)

Since P(6)=11, there are 11 conjugation classes in S_6. Note that each cycle type in S_6 represents a conjugation class(partition) in S_6.

Step-by-step explanation:

7 0

3 years ago