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2 years ago

A polygon with 12 sides is called a/an a. dodecagon. b. pentagon. c. undecagon.

Mathematics

2 answers:

mr_godi [17]2 years ago

6 0

The answer is dodecagon hopes this helps

Pepsi [2]2 years ago

5 0

The answer is A. dodecagon.

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The ratio of boys to girls in the band is 3:6 if there are 81 students in the band how many boys are in the band

Alexandra [31]

Answer:

27 boys

Step-by-step explanation:

The ratio of boys to girls is 3 to 6. The total is (3+6) is 9.

Using the ratio of boys to total (3 to 9), we set it equal to the ratio of boys to total students (81)

3 b

---- = -------------

9 81

We can solve this using cross products.

3*81 = 9b

243 = 9b

Divide each side by 9

243/9 =9b/9

27 =b

There are 27 boys

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2 years ago

16. How many different words can be formed with the letters of the word 'RAJARAM'? In how many of

Mandarinka [93]

Answer:

The word "ARRANGE" can be arranged in

2!×2!

5040

=1260 ways.

For the two R's do occur together, let us make a group of R's taking from "ARRANGE" and permute them.

Then the number of ways =

=360.

The number ways to arrange "ARRANGE", where two "R's" will not occur together is =1260−360=900.

Also in the same way, the number of ways where two "A's" are together is 360.

The number of ways where two "A's" and two "R's" are together is 5!=120.

The number of ways where neither two "A's" nor two "R's" are together is =1260−(360+360)+120=660.

Step-by-step explanation:

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3 years ago

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Point A’ is the image of Point A when point A is rotated about the origin B. What angle in the counterclockwise direction is A r

liberstina [14]

Answer:

90 degrees

Step-by-step explanation:

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2 years ago

Help pls look at the picture

Alika [10]

Answer:

Option A: $-\frac{4}{3}$ is the correct answer.

Step-by-step explanation:

Given that:

Slope of the line = $\frac{3}{4}$

Let,

m be the slope of the line perpendicular to the line with slope $\frac{3}{4}$

We know that,

The product of slopes of two perpendicular lines is equals to -1.

Therefore,

$\frac{3}{4}.m=-1\\$

Multiplying both sides by $\frac{4}{3}$

$\frac{4}{3}*\frac{3}{4}m=-1*\frac{4}{3}\\$

m = $-\frac{4}{3}$

$-\frac{4}{3}$ is the slope of the line perpendicular to the line having slope $\frac{3}{4}$

Hence,

Option A: $-\frac{4}{3}$ is the correct answer.

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3 years ago

Evaluate the function. f(x) = -x2-12 find f(-3)

Mekhanik [1.2K]

Answer: -21

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2 years ago

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