Answer:
(8x+12) feet.The perimeter when x=2ft is 28 feet.
Step-by-step explanation:
The solution is in the attached file.
He's using the graduated cylinder method. I think the volume might be between 15 and 20. (It's kind of not obvious...)
Answer:
$77
Step-by-step explanation:
Let Friday be the variable f.
Let Saturday be the variable s.

Substitute 11 for f in the second equation.

Therefore, Kaitlin collected $77 on Saturday
Answer:
Answer is line and ray.
Step-by-step explanation:
Ray - A ray starts from a point and ends to the infinity.
Therefore, ray is one dimensional and has infinite length.
Point - It is one dimensional but has no length.
Plane - It may be three/two dimensional.
Segment - It is one dimensional but has a limited length.
Line - It's one dimensional with infinite length.
Angle - It's two dimensional structure.
Answer is line and ray.
Answer:
Option C
Step-by-step explanation:
we know that
The measurement of the <u>exterior angle</u> is the semi-difference of the arcs it comprises
so

we have


substitute
Rewrite