The total number of hours Vanessa work in a week is:
total work hours = (8 hours / day) * 5 day / week
total work hours = 40 hours per week
The total number of hours she did not work:
<span>total hours did not work = (90 minutes)(1 hour / 60
minutes) + (45 minutes)(1 hour / 60 minutes) + 2.5 hours</span>
total hours did not work = 4.75 hours
The amount of hours Vanessa work last week can be
calculated using the formula:
work hours = total work hours - total hours did not work
work hours = 40 hours – 4.75 hours
<span>work hours = 35.25 hours</span>
Answer:
6% ( to nearest percent )
Step-by-step explanation:
The percentage change is calculated as
× 100%
Change = 90 - 85 = 5, hence
percent change =
× 100% =
= 6%
Answer:
3:2
Step-by-step explanation:
ratio of areas = (ratio of sides)²
36/16 = (ratio of sides)²
Square root both sides
ratio of sides = 6/4
6/4 = 3/2
Ratio of sides is
6 : 4
Or
3 : 2
Answer:
Null hypothesis: There is no relationship between direction of the ball and if it resulted in a hit or an out.
Step-by-step explanation:
In this case, the experiment conducted is to determine whether there is any relationship between the direction of the ball and if it resulted in a hit or an out.
A random sample of 300 balls hit into play in college baseball games is taken. For each ball hit into play, it is recorded whether the ball was hit to the left, center, or right of the field, and whether the ball resulted in a hit or an out.
The regression analysis would be used to determine whether there is any relationship between direction of the ball and if it resulted in a hit or an out.
The hypothesis for the regression analysis is defined as follows:
<em>H</em>₀: There is no relationship between direction of the ball and if it resulted in a hit or an out.
<em>H</em>ₐ: There is a significant relationship between direction of the ball and if it resulted in a hit or an out.
6/8 * 4/1 = 24/8 = 3. Kristen needs 3 pounds of beef.
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