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denpristay [2]
3 years ago
11

At a concert, 20% of the audience members were teenagers. if the number of teenagers at a concert was 360, what was the total nu

mber of audience members?
PLSSS HELP
Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
7 0

Answer:

The total number of audience members is 1800.

Step-by-step explanation:

In order to find this, we need to divide the number of teenagers by the percentage share.

360/.2 = 1800

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andrew-mc [135]
Question 1 true not false
8 0
3 years ago
the ratio of boys to girls in a chorus is 5:6. which shows an equivalent ratio A 10 boys to 12 girls B 15 boys to 19 girls C 20
Agata [3.3K]
A is the answer because if you multiply two to 5 and 6 you'll get 10 and 12
~JZ
7 0
2 years ago
Can someone help me please
morpeh [17]

Answer:

a_{n} = 12 -3(n-1)

Step-by-step explanation:

a_{1}  = 12\\a_{n}  = a_{n-1} - 3

we have to find formula for nth term of series for this problem

a_{1}  = 12\\a_{2}  = a_{2-1} - 3 = a_{1}  -3 =  12 -3 = 9\\a_{3}  = a_{3-1} - 3 = a_{2}  -3 =  9 -3 = 6

Thus, we see series is 12, 9 ,6

Thus, we can see that series is decreasing by unit of 3.

and we know that when there is in increase or decrease in series by a a constant number then series is arithmetic progression series.

Hence, this is a decreasing AP series

In AP

nth term is given

nth term = a+(n-1)d

where a is the first term

d is the common difference

common difference is given by = nth term - (n-)th term

lets take 2nd and 1st term to get common difference.

d = 9-12 = -3

(note: this was obvious by looking at series itself that d is -3 as series was decreasing by 3 unit)

a = 12

thus, nth term = a +(n-1)d

nth term = 12 +(n-1)(-3)

nth term = 12 -3(n-1)

writing this in form of a_{n}

a_{n} = 12 -3(n-1)  Answer

5 0
3 years ago
The width of a window on a house is 48 inches. The house is shown in a scale drawing. The width of the window in the drawing is
Anna11 [10]

The windows width in the drawing according to the task content is; 9.6inches.

<h3>What is the windows width in the drawing?</h3>

According to the task content, the window's actual width on the house is given as; 48 inches.

Hence, since, the window's width on the drawing is 20% of the actual width, it follows that;

Windows drawing width = 20% × 48 = 9.6 inches.

Read more on percentages;

brainly.com/question/843074

#SPJ1

7 0
1 year ago
If the scores of a math test are normally distributed with an average score of 76 and a standard deviation of 5, what percentage
Afina-wow [57]

Answer:

Step-by-step explanation:

Since the scores of the math test are normally distributed, we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = math test scores.

µ = mean score

σ = standard deviation

From the information given,

µ = 76

σ = 5

The probability that a student scored below 65 is expressed as

P(x < 65)

For x = 65

z = (65 - 76)/5 = - 2.2

Looking at the normal distribution table, the probability corresponding to the z score is 0.014

The percentage of students that scored below 65 is

0.014 × 100 = 1.4%

7 0
3 years ago
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