Answer:
The number is 12
Step-by-step explanation:
Let x = number
2x+16 = 40
Subtract 16 from each side
2x+16-16 =40-16
2x = 24
Divide by 2
2x/2 =24/2
x = 12
1/3 because all you have to do is flip it
Answer:
E) The width of Sue's interval will be narrower than Javiers
Step-by-step explanation:
In confidence intervals, as sample size increases, the width of the confidence interval decreases.
You divide by four because there are 4 sides of a square and they are all equal
1) The typical sprint time is found by computing the average of the different sprint times, therefore the choice is between option A and C. The average is more accurate when you have a lot of measurements, therefore, since Lamont can run more times in a week than in a day, the correct answer will be:
<span>C) Sprint the 100 meters several times throughout the week and determine his average time to complete from the various runs.
2) T</span><span>he typical amount of energy usage is the average usage for all the neighborhood in one month. Therefore, to calculate the average, you will have to consider the total amount of energy used in a year by all the houses and divide it by the number of months in one year. Therefore, the correct answer will be:
</span><span>B) Take the energy usage of all the homes in the neighborhood for a year, and then divide it by 12.</span>
