What weighs more an ounce or a gram
2 answers:
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Answer: x +
x = 2x - 25
Step-by-step explanation:
First, let's analyze the phrase "the sum of one-half and two-thirds the number". This would translate to:
x +
x
Then it says the last part of the expression is "twenty five less than twice the number"
2x - 25
Then, equal the two parts of the equation to each other.
x +
x = 2x - 25
Hope this helps! :)
The information above is shown in the normal distribution curve shown below
Step 1 : Find the z-score for 5 hours
rounded to 2 dp
Step 2: Read the value of z-score on the z-table
As shown in the second picture, the value z at -1.18 is 0.1190
Step 3: The proportion can be written in percentage form which is 11.90% rounded to 12% to nearest whole number
Step 1 : Find the z-score for 5 hours
Step 2: Read the value of z-score on the z-table
As shown in the second picture, the value z at -1.18 is 0.1190
Step 3: The proportion can be written in percentage form which is 11.90% rounded to 12% to nearest whole number