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sweet
6 days ago
13

A circular room has a floor of diameter 590cm. Estimate the 92.2 perimeter of the room in metres​

Mathematics
1 answer:
babunello [11.2K]6 days ago
8 0

Response:

  18.5 m

Detailed explanation:

Given the diameter of 5.90 meters, the circumference of the room can be calculated as...

  C = πd = 5.90π m ≈ 18.5 m

The room’s perimeter is roughly 18.5 m.

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In the country of Apexico, 6% of the population was unemployed in february of 2008. if there were 168.000.000 people willing and
tester [11860]
Let A represent the number of individuals without jobs.
<span>168,000,000 accounts for 94% of the population in Apexico.

</span>Calculating, 168,000,000/94=<span>1,787,234, which corresponds to 1% of the total population.
</span>Thus, 1,787,234 multiplied by 6 equals <span>10,723,404 individuals are unemployed in Apexico</span>
8 0
1 month ago
Read 2 more answers
In regional spelling bee, the 8 finalists consist of 3 boys and 5 girls. Find the number of sample point the sample space S for
PIT_PIT [11874]

Answer:

i) A total of 40320 different arrangements

ii) For the initial 3 spots, there are 336 different combinations.

Step-by-step explanation:

Given: The total finalists = 8

The count of boys = 3

The count of girls = 5

To determine the number of sample point in the sample space S for possible arrangements, we calculate the factorial of 8!

The number of possible arrangements equals 8!

= 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8

= 40320

ii) Among the 8 finalists, we must select the first 3 spots. The sequence matters, hence we utilize permutation.

nPr =\frac{n!}{(n - r)!}

Here n = 8 and r = 3

Substituting n = 8 and r = 3 into the formula, we arrive at

8P3 = \frac{8!}{(8 - 3)!}

= \frac{8!}{5!} \\= \frac{1.2.3.4.5.6.7.8}{1.2.3.4.5}

= 6.7.8

= 336

Thus, there are 336 different arrangements for the first 3 spots.

3 0
16 days ago
1. The C major key, starting with the middle C, consists of seven notes (white keys on the piano) with the following frequencies
Zina [11953]
1.) <span>The ratio of note A compared to middle C is 440.0 / 261.6 = 1.6820 ≈ 1.6818

2.) </span><span>The D note's ratio against middle C is 293.7 / 261.6 = 1.1227

3.) </span><span>D# = 293.6 multiplied by 1.0595 equals 311.1

4.) </span><span>The frequency ratio of G compared to C is 1: 262/392 = 1: 0.6683 ≈ 3: 2

5.) </span><span>The frequency ratio of E to C is 1: 262/330 = 1: 0.7939 ≈ 5: 4

6.) The </span><span>element in a musical note referred to as pitch is the frequency.</span>
8 0
27 days ago
Read 2 more answers
The manager of a grocery store estimates that 74% of customers will make a purchase.
PIT_PIT [11874]

Answer:

A - For every 100 customers, a cashier should anticipate 26 who do not make a purchase before encountering a buyer.

B - The probability of a purchase is 1/4

Step-by-step explanation:

There's a 74% estimated likelihood that a customer will buy something

If a total of 100 individuals enter the grocery store on any given day,

then 74 % of the visitors

= 74% of 100

= 74 people are likely to make a purchase.

⇒ This means out of 100 visitors, 74 will buy something.

Consequently, the number of individuals NOT buying anything = 100 - 74 = 26

⇒ Thus, 26 people among 100 will NOT make a purchase.

Additionally, 26 equates to 26% of 100

Part A:

So, the cashier can expect 26% of the customers won't buy anything as the percentage of individuals not purchasing stands at 26%.

Thus, in a group of 100 individuals, the cashier can anticipate 26 before finding a buyer.

Part B:

The percentage of customers buying = 74%

The percentage of individuals NOT buying = 26%

Therefore, for every 3 customers making a purchase, there will be 1 who does not buy. Thus, the probability is 1/4

6 0
22 days ago
Mrs Atkins is going to choose two students from her class to take part in a competition.
babunello [11295]

Given:
Total girls in class = 16.
Total boys in class = 14.
To determine:
The various combinations for selecting one girl and one boy.
Solution:
We have,
Total girls = 16
Total boys = 14
Thus,
The total combinations for selecting one girl from 16 girls = 16.
The total combinations for selecting one boy from 14 boys = 14.
Now, the various ways to select one girl and one boy amount to:
Therefore, the total number of combinations is 224.
6 0
22 days ago
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