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2 years ago

7

The median of $20, x, 15, 30, 25$ is $0.4$ less than the mean. If $x$ is a whole number, what is the sum of all possible values

of $x$?

1 answer:

34kurt2 years ago

5 0

Answer:

198

Step-by-step explanation:

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Caleb solved this equation and recorded his work. 7.4x + 4.1(2x − 4) = −2.3(x − 6) − 21.6 1. 7.4x + 8.2x − 16.4 = −2.3x + 13.8 −

IRINA_888 [86]

For this case we have the following equation:
$7.4x + 4.1 (2x - 4) = -2.3 (x - 6) - 21.6
$
Step 1 of the solution is to make the distributive property.
We have then:
$7.4x + 8.2x - 16.4 = -2.3x + 13.8 - 21.6
$
Step 1 is correct.
The step is to combine similar terms. Caleb wrote: $7.4x + 8.2x - 16.4 = -2.3x + 35.4
$
He wrongly combined the similar terms on the right side of the equation.
The correct solution is: $7.4x + 8.2x - 16.4 = -2.3x -7.8
$
Answer:
In step 2, the like terms were not combined on the right side of the equation.

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1 year ago

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How many zeroes are at the end of $42!$ (42 factorial)? (Reminder: The number $n!$ is the product of the integers from 1 to $n$.

Dovator [93]

Answer:

47 zeros

Step-by-step explanation:

4 0

2 years ago

The table shows the height of water in a pool as it is being filled. A table showing Height of Water in a Pool with two columns

MakcuM [25]

Answer:

answer is a

the height of the water increases 2 inches per minute

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1 year ago

How did the prison dentist help the inmate to go straight

garri49 [273]

The dentist helped the inmate go straight by removing the concavity.

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2 years ago

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Of the total number of people on a cruise ship, 1/4 or child passengers. 2/5 of the remaining people were crew. There were 1320

Nuetrik [128]

<h2>462</h2>

Step-by-step explanation:

Total number of people on the cruise ship was 1320.

$\frac{1}{4}^{th}$ of the people were child passengers. Number of child passengers = $\dfrac{1}{4}\times (\text{Total number of people})=\dfrac{1}{4}\times 1320=330$

$\frac{2}{5}^{th}$ of the people were crew. Number of people that were crew = $\dfrac{2}{5}\times (\text{Total number of people})=\dfrac{2}{5}\times 1320=528$

Remaining people in the ship constitute the adult passengers.

Number of adult passengers = $(\textbf{Total number of people})-(\textbf{Total number of children})-(\textbf{Total number of crew})=1320-330-528=\textbf{462}$

∴ Number of adult passengers = 462

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2 years ago