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Morgarella [4.7K]
3 years ago
9

What is the lest comen demomator of 1/8 1/12 and 7/18

Mathematics
2 answers:
GREYUIT [131]3 years ago
6 0

Answer: LCD = 72

Step-by-step explanation:

Rewriting input as fractions if necessary:

1/8, 1/12, 7/18

For the denominators (8, 12, 18) the least common multiple (LCM) is 72.

LCM(8, 12, 18)

Therefore, the least common denominator (LCD) is 72.

Calculations to rewrite the original inputs as equivalent fractions with the LCD:

1/8 = 1/8 × 9/9 = 9/72

1/12 = 1/12 × 6/6 = 6/72

7/18 = 7/18 × 4/4 = 28/72

Bond [772]3 years ago
5 0

Answer:

72

Step-by-step explanation:

18*4

12*6

8*9

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Answer:

Step-by-step explanation:

Given:

AB ≅ AD

AC ⊥ BD

To Prove:

ΔBAE ≅ ΔDAE      

                 Statements                        Reasons

1). AB ≅ AD and AC ⊥ BD             1). Given

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8 0
2 years ago
Find the inverse of the following equation: y=2x-3
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Step-by-step explanation:

First get x on its own:

 

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y - 3 = 2x

 

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y/2 - 3/2 = x

or x = y/2 - 3/2

 

Now simply switch labels: x↔y

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8 0
3 years ago
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How do you solve 29.9 -18.82
mezya [45]
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The CEO of a large corporation asks his Human Resource (HR) director to study absenteeism among its executive-level managers at
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Answer:

Following are the answer to this question:

Step-by-step explanation:

Given:

n = 30 is the sample size.  

The mean  \bar X = 7.3 days.  

The standard deviation = 6.2 days.  

df = n-1  

     = 30-1 \\      =29

The importance level is \alpha = 0.10  

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= tinv (\ probility, \ freedom \ level) \\= tinv (0.10,29) \\ =1.699127\\ =  t_{al(2x-1)}= 1.699127

The method for calculating the trust interval of 90 percent for the true population means is:

Formula:

\bar X - t_{al 2,x-1} \frac{S}{\sqrt{n}} \leq \mu \leq \bar X+ t_{al 2,x-1}   \frac{S}{\sqrt{n}}

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It can rest assured that the true people needs that middle managers are unavailable from 5,37 to 9,23 during the years.

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12:15 does not belong, since that is a ratio of 4:5, whilst the others are all 3:4.
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