Answer:
12a + .5B
B= -6a
a=.042B
Step-by-step explanation:
1/2(6a+B)= 12a+.5B
1/2(6a+B)=0
-12a=.5B
-6a=B
12a=-.5B
a=.042B
The answer would be 1, since 7.24 is closer to 7
Answer:
Hi ! Answers given in the pictures below
Step-by-step explanation:
Answer:
absolute value parent function
Answer:
25,132.74 miles
Step-by-step explanation:
Hello!
We are basically asked to find the circumference of the Earth's cross-section.
Circumference: 
We can replace 2r with the diameter, because the diameter is 2 times the radius.
Multiply the Diameter by pi:
It is around 25,132.74 miles around.