Determine the flaws in the solution,
Analyze the solution shown
1. -|-xl = 7: given
2. |-x) = -7: multiplication property of equality
3. -* = 7 or -x = -7: definition of absolute value
4. X -7 or x = 7: multiplication property of equality
6. Check: -1-(-7)] = 7,-777
-1-71=7,7=7
Negative times negative is positive
The multiplication property of equality in Step 2
should result in 1x1 = 7
The definition of absolute value is applied
incorrectly. There is no solution.
The reason in Step 4 should be the addition
property of equality.
The multiplication property of equality in Step 4
should result in only x = 7
In evaluating the solutions, the absolute value
should be simplified first to get a positive value

since proposition states that a number is greater than 25, if is true then the number must actually be greater than 25.

this implies that all possible options, except 24, can be accepted

x + 4/7

step-by-step explanation:

use cymath

d. 24+-0.114

step-by-step explanation:

the question requires us to calculate the approximate 95% confidence interval for the mean number of ounces of ketchup per bottle in the sample given the following statistics;

sample mean = 24

standard deviation, σ = 0.4

sample size , n = 49

the confidence interval for a population mean is calculated using the formula;

sample mean ± z-score*(σ/sqrt(n))

the z-score associated with a 95% confidence interval, from the standard normal tables, is;

1.96

substituting these values into the formula;

24 ± 1.96*(0.4/7)

= 24 ± 0.112

from the alternatives given, choice d is closest to the above expression;