The answer to this question is C.
Answer:
x=11
Step-by-step explanation:
For extra help the second answer is: 7a(3-a)
True, because the chord connect 2 points of the circumference, but radius connect the center and a point on the circumference.
Answer:
SA = 615.4 yd²
Step-by-step explanation:
The surface area (SA) of a sphere is calculated as
SA = 4πr² ← r is the radius
Here diameter = 14, thus r = 14 ÷ 2 = 7, then
SA = 4π × 7² = 4π × 49 = 196π = 196 × 3.14 ≈ 615.4 yd²
Answer: 180 miles x 3 hours = 540
540/2 = 270
270 is the average speed
Step-by-step explanation: