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Elenna [48]
3 years ago
12

4 siblings split their inheritance in the ratio of 2:4:6:8. the inheritance is $40,000. how much does each sibling receive for h

is share
Mathematics
1 answer:
goldfiish [28.3K]3 years ago
7 0

Answer:

First Sibling gets $4000

Second Sibling gets $8000

Third Sibling gets $12,000

Fourth Sibling gets $16,000

Step-by-step explanation:

A ratio of 2:4:6:8 means that

First sibling gets 2 parts of total

Second sibling gets 4 parts of total

Third sibling gets 6 parts of total

Fourth sibling gets 8 parts of total

Now, how many parts are there??

2 + 4 + 6 + 8 = 20 parts

Now, we divide the total inheritance ($40,000) in 20 parts, so each part is worth:

40,000/20 = $2000

Hence,

First Sibling gets = 2000 * 2 = $4000

Second Sibling gets = 2000 * 4 = $8000

Third Sibling gets = 2000 * 6 = $12,000

Fourth Sibling gets = 2000 * 8 = $16,000

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Grace [21]

13)

Circumference (C) = 2π·r

11π = 2π·r

11/2 = r

******************************

Area (A) = π·r²

             =  π·(11/2)²  

            = 121π/4

           ≈ 94.985 in²

14)

diameter = 2r

          42 = 2r

           21 = r

*******************

Area (A) = π·r²

             =  π·(21)²  

            = 441π

           ≈ 1384.74 in²

***************************

$280/1384.74 in²

x = $0.20

Answer: about 20 cents per square inch

 



                     

6 0
3 years ago
Write in point-slope form an equation of the line that passes through the point (8, 9) with slope 7.
Lina20 [59]

Answer:

<h2>y=7x-47</h2>

Step-by-step explanation:

(8,9)=(x1,y1) \\ m=7 \\ y−y1=m(x−x1) \\ y−9=7(x−8)

y - 9 = 7x - 56 \\ y = 7x - 56 + 9 \\ y = 7x - 47

8 0
3 years ago
Tamu ran 30 minutes and burned 170 calories.
OLga [1]

Answer:

it's C.

Step-by-step explanation:

7 0
3 years ago
An experiment involves selecting a random sample of 256 middle managers for study. one item of interest is their annual income.
scZoUnD [109]

The solution would be like this for this specific problem:

 

Given:

N = 256

Sample Mean = $35,420

Standard Deviation = $2,050

 

Find:

Standard Error of Mean = ?

The formula for the standard error of the mean is:

<span>Om = o / sqrt(N)</span>

<span>Om = the </span>standard deviation of the sampling distribution of the mean

where o = standard deviation of the sampling distribution of a statistic

N = sample size

<span>So substituting the formula with the given:

Om = $2,050 / sqrt(256)</span>

<span>Om = $2,050 / 16</span>

= $128.125

Therefore, the sample standard error of the mean is $128.125.

6 0
3 years ago
Please answer these few questions on circumference will give BRAINLIEST if correct PLEASE SHOW WORK
LenKa [72]
Work can be show by 2x3x90 that’s it
3 0
3 years ago
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