Answer:
The temperature in degrees after 9 hours is -1.25 degrees Fahrenheit
Step-by-step explanation:
Here, we want to know the temperature after 9 hours
Per hour rise each hour is 3/4 degree = 0.75 degree
In 6 hours that will be 0.75 * 6 = 4.5 degrees
Or hour drop is 1/4 = 0.25 degree
In 3 hours, that will be 0.25 * 3 = 0.75 degree
Since it is a drop, we have -0.75 degree
Temperature after 9 hours will be;
-5 + 4.5 -0.75
= -5.75 + 4.5 = -1.25 degrees fahrenheit
Answer:
$5,715 monthy
Step-by-step explanation:
Answer: Last option.
Step-by-step explanation:
The equation of the line in slope-intercept form is:
Where m is the slope and b the intersection with the y-axis.
You can observe in the graph that the line passes through the origin, then:
Choose two points of the line and calculate the slope with:
Points: (2,3) and (-2,-3)
Substitute values, then the slope is:
Substituting "m" and "b" into , you get that the equation is:
This can be written as:
Think of variable K as number of trees planted and variable J as number of minutes it takes to plant the trees.
K = _J + _
For every 4 trees planted it takes 2 minutes to plant them, so we now have -4/2. 4 is negative because we don't have an unlimited amount of trees to plant. With this being said, we can use this fraction as J.
K = -4/2J + _
We lose 4 trees every 2 minutes, but how many trees did we initially start out with? According to the graph, we started with 28 trees, so K = -4/2J + 28.
Now we can test this equation out by picking a random dot on the graph: 24/2.
24 = -4/2(2) + 28
24 = -4 + 28
24 = 24
This statement is correct, so our equation is correct.
tan(angle) = opposite/adjacent
tan(17) = 11/x
x*tan(17) = 11 .... multiply both sides by x
x = 11/tan(17) ...... divide both sides by tan(17)
x = 35.9793788 .... use your calculator
x = 36.0
<h3>Answer: Choice B) 36.0</h3>
