Answer:
x = -1 and y = 1
Step-by-step explanation:
5x + 2y = -3 . . . . . . . (i)
x + 5y = 4 . . . . . . . (ii)
- Finding x in terms of y from eq. (ii) :-
x + 5y = 4
x = 4 - 5y
- Placing this value of x in eq. (i) :-
5(4 - 5y) + 2y = -3
20 - 25y + 2y = -3
-23y = - 23
<u>y = 1</u>
- Placing the value of y in eq. (i)
5x + 2(1) = -3
5x + 2 = -3
5x = - 5
<u>x = -1</u>
Answer:
I'm not sure what your looking for but I can guess numbers missing is 2 and 3?
Yes it is an irrational number.
I HOPE IT WILL HELP YOU.
Thank you.
^ - ^
Answer:
a. $ 1.11
b. $ 0.08
Step-by-step explanation:
a. The volume of the ball is the volume considering all it (1.2 in diameter) less the volume considering the 0.4 in thick.
V = (4/3)πrb³ - (4/3)πrt³
Where rb is the radius of the ball (0.6 in) and rt is the thick (0.4 in)
V = (4/3)π(0.6)³ - (4/3)π(0.4)³
V = 0.637 in³
For 50 balls, the volume is 50*0.637 = 31.85 in³
So, the cost to produce 1 case is:
$0.035/in³ * 31.85 in³ = $ 1.11
b. The profit is the difference between sales and cost, so for one ball:
P = 0.10 - 0.035*0.637
P = $ 0.08