No it’s not a rational number
Answer:
13.7 ft^2
Step-by-step explanation:
1. Find the radius of the semicircle by dividing the diameter by 2 to get 1.8
2. Find the area of the semicircle. Do this by substituting the equation to find the area of a semicircle with the numbers given and solving. 3.14(1.8^2)/2 = 5.0868
3. Find the area of the triangle. Do this by substituting the equation to find the area of a semicircle with the numbers given and solving. 1/2(3.6*4.8) = 8.64
4. Add both your numbers together to get 13.7268
5. Round to the nearest 10th to get 13.7 ft^2
Answer:
D 5m-40
Step-by-step explanation:
Distribute the 5 to both parts inside parenthesis
5xm+ 5x-8
Answer: 
Steps:
The general vertex form of a parabola is as follows:
where xv is the x coordinate of the vertex, a is the coefficient determining how wide/narrow the parabola is and whether it is open-up (+) or open-down (-), and b is the bias (vertical shift.
Transforming an expression into the vertex form involves completing the square step:
Answer:
x = 85º
Step-by-step explanation:
The sum of the angles in a triangle is 180
a + b + x = 180
10 + 85 + x = 180
95 + x = 180
Subtract 95 from both sides
x = 85º
