Answer:
u = 2.5
Step-by-step explanation:
Since you're working with only one variable, you just need to solve for u:
9(u -2) + 1.5u = 8.25
Multiply the parentheses by 9
9u - 18 +1.5u = 8.25
Add the similar values
10.5u = 8.25 + 18
Simplify
10.5u = 26.25
u = 26.25/10.5
u = 2.5
The sum: "+"
a number: "x"
a square of a number: "x²"
Answer: x + x² = 42 → x² + x = 42
Answer: LAST OPTION.
Step-by-step explanation:
The missing figure is attached.
You need to observe the circle attached and and analize the data provided in the exercise.
As you can notice in the figure, the measure of CED can be found by adding the measure of CE and the measure of ED.
Then, you can write the following equation:

You can identify in the figure that the measure of CE is:

You can also identify that the measure of ED is the following:

Knowing those measures, you can substitute them into the equation:

Finally, evaluating, you get that the measure of CED is:

The circumference of a circle in terms of pi is: 2πR
Where R is the circle radius.
Answer:
it is correct because it adds up to 180