Answer:
Step-by-step explanation:
The area of trapezoid is given by the formula:
Where
A is the area
b_1 is base 1
b_2 is base 2, and
h is the height
Looking at the figure, base 1 is the left line which goes from y = 3 to y = 3, so 6 units. Also, base 2 is the right line which goes from y = -3 to y =5, so 8 units.
The height is the horizontal distance in the middle, which goes from x = -2 to x = 3, so 5 units. Hence area of trapezoid is:
Now, area of semicircle is:
Where
A is the area
r is the radius
Looking at the figure, the diameter (twice radius) goes from y = -3 to y = 3, so 6 units. But radius is half of that, so 3 units. Hence area of semicircle is:
Total area of the figure is
Answer:
Let's define T(x) as the cost with the company Teen-Mobile, where x is the number of gigabytes used.
We have a constant fee of $15 plus extra $10 for each gigabyte used, then:
T(x) = $15 + $10*x
Let's define B(x), same as above, but for the company Bruh-rizon.
Here we have a constant of $30 plus $7 for each gigabyte used.
B(x) = $30 + $7*x
Where in each equation, the growth rate is the coefficient multiplicating the x (also called the slope) , and the other factor is the starting value (also called the y-intercept).
Now knowing the number of gigas that you use in a month, can decide which option is best for you.
Answer:
C
Step-by-step explanation:
Use the Pythagorean theorem
Side = sqrt(8^2 - 6^2)
Side = sqrt(64-36)
Side = sqrt(28)
Side = 5.29
Rounded to nearest tenth = 5.3
