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Elanso [62]
3 years ago
9

18/24 = b/12 Solve the proportion:

Mathematics
1 answer:
Lemur [1.5K]3 years ago
3 0

Answer:

b=9

Step-by-step explanation:

18/24=3/4

3/4=b/12

cross product

4*b=3*12

4b=36

b=36/4

b=9

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-2.8f + 0.7f - 14 - 4
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Step-by-step explanation:

-2.8f + 0.7f - 14 - 4

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I NEED THIS ASAP, PLEASE HELP!!!
WINSTONCH [101]

Answer: 22.5 ; 5 ; 14

Step-by-step explanation:

Given the dataset:

{20,22,23,24,26,26,28,29,30}

The lower quartile (Q1) = 1/4(n + 1)th term

Where n = number of observations, n = 9

Q1 = 1/4 (9 + 1)th term

Q1 = 1/4(10) = 2.5

We average the 2nd and 3rd term:

(22 + 23) / 2

45 / 2 = 22.5

B) The interquartile range(IQR) of the dataset :

{62,63,64,65,67,68,68,68,69,74}

IQR = Q3 - Q1

The lower quartile (Q1) = 1/4(n + 1)th term

Where n = number of observations, n = 10

Q1 = 1/4 (10 + 1)th term

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We take the average of the 2nd and 3rd term:

(63 + 64) / 2

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The upper quartile (Q3) = 3/4(n + 1)th term

Where n = number of observations, n = 10

Q3 = 3/4 (10 + 1)th term

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We take the average of the 8th and 9th term:

(68 + 69) / 2

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IQR = Q3 - Q1

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C) give the dataset :

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The upper quartile (Q3) = 3/4(n + 1)th term

Where n = number of observations, n = 9

Q3 = 3/4 (9 + 1)th term

Q3 = 3/4(10) = 7.5 term

We take the average of the 7th and 8th term:

(13 + 15) / 2

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7 0
3 years ago
Order least to greatest: 1.5, 1.1, .9, 1, 1.7, 1.25
avanturin [10]

Answer:

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8 0
3 years ago
Is 1 3/5 1.9 equal to or less than or greater than
Vikentia [17]
The answer for this question is 13/5 greatre than 1.9
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3 years ago
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