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Katena32 [7]
3 years ago
7

If the smallest angle of rotation for a regular polygon is 18°, how many sides does polygon have?

Mathematics
1 answer:
lora16 [44]3 years ago
4 0

Answer:

20 sides.

Step-by-step explanation:

The external angles of a polygon sum to 360 degrees.

So it's 360/18 = 20.

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There are 10 men and 14 women in.Kthleen's math class.what is the ratio of women to the total number of students in the class?
ahrayia [7]

The ratio can be determined as,

\begin{gathered} \text{Ratio}=\frac{14}{10+14} \\ =\frac{14}{24} \\ =\frac{7}{12} \end{gathered}

Thus, the requried ratio is 7:12.

3 0
9 months ago
A juice drink filling machine, when in perfect adjustment, fills the bottles with 12 ounces of drink on an average. Any overfill
ozzi

Answer:

d. The average is equal to 12 ounces.

Step-by-step explanation:

In this problem, the drink filling machine must be perfectly calibrated at 12 ounces since it needs to be shut down in cases of overfilling (mean > 12 ounces) and underfilling (mean < 12 ounces). Therefore, the correct approach would be to test if the mean is 12 ounces and the correct set of hypothesis would be:

H_0:\mu=12\\H_a:\mu\neq 12

The correct alternative is d. The average is equal to 12 ounces.

5 0
3 years ago
Help Me Please!!!!!!!!!!!
DaniilM [7]

Answer:

Have a good day

Step-by-step explanation: and so have a good day

6 0
2 years ago
The cookies Karen wants come in packs of 8 she needs 46 of these cookies for a party how many packs should she buy?
Andre45 [30]

46/8=5.75

Round up to 6, since you can't buy 3/4 of a pack of cookies.

The answer is 6 packs of cookies.

Hope this helps :)

7 0
2 years ago
Read 2 more answers
A stackable CD rack holds 20 CDs and costs $3. Mark has a collection of 120 CDs. How much will it cost him to buy enough racks t
elixir [45]

Answer:

You would need $18 total to buy the racks needed.

Step-by-step explanation:

First, every 20 CDs needs a new rack, so you would divide 120 by 20.

120 / 20 = 6 racks

Second, you would multiply the price ($3) of a rack by how many racks needed.

3 * 6 = $18

5 0
3 years ago
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