Given
A + B = 8
A + C = 13
B + D = 8
C - D = 6
Now
A + B = B + D
A = B + D -B
A = D
C - D = C - A
A + C = 13
C - A = 6
Adding 7 on both sides
C - A +7 = 6+7
C - A + 7 = A + C
C-C -A + 7 = A
-A +7 = A
7 = A+A
7/2 = A
A = 3.5
B = 4.5
C =9.5
D = 3.5
Answered by Gauthmath must click thanks and mark brainliest
Percentage decrease = (original number - new number) / original number...* 100
percentage decrease = (2.55 -2.20) / 2.55....* 100
0.35 / 2.55.....* 100
0.137 * 100
13.7% decrease <===
Answer:
B
Step-by-step explanation:
Answer: V = 4/3(3.14)(4.74)^3
That works out to 445.8650285
Rounded to 445.87 cubic inches.
Step-by-step explanation:
The basic formula for the volume of a sphere is
V = 4/3 πr³
Substitute a common value for π, 3.14 and the radius given.
When we use this formula, we find the volume is 445.87 in³
424.12inches squared
Step-by-step explanation:
Formula= pie X radius squared X height
3.14 times 9 times 15