Answer:
40 degrees
Step-by-step explanation:
If the angle is split into 2 angles, each measuring 20 degrees, then the original angle measures 20(2)=40 degress.
Answer:

Step-by-step explanation:
Given

Required
What value of c makes the mean = 10
Mean is calculated as

In this case;
Mean = 10 and n = 4;
So, we have:


Multiply both sides by 4


Solve for c


2x+2≥20
2x≥18
x≥9
closed circle on 9 because of the = in ≥ and the line going off to the right
please ask if you need more information or clarification
Answer:
1
Step-by-step explanation:
6x+10=2x+14
6x-2x=14-10
4x=4
x=1
Answer:
33
Step-by-step explanation:
Find the unit rate by dividing 20 by 6 which is 3.3. This is how long it took Emma to read one page. multiply it by 10 and get 33