<span> Circumference of
the tire:</span>
<span> PI x diameter =
3.14 x 26 = 81.6814 Round to 81.68</span>
Speed of the car in inches per minute:
46*5280*12/60 = 48576 inches per minute
48576/81.68 = 594.711
<span> Round to 594.71
revolutions per minute</span>
5x + y = 9....multiply by 7
10x - 7y = -18
----------------
35x + 7y = 63 (result of multiplying by 7)
10x - 7y = -18
----------------add
45x = 45
x = 45/45
x = 1
5x + y = 9
5(1) + y = 9
5 + y = 9
y = 9 - 5
y = 4
solution is : (1,4)
=========================
-4x + 9y = 9
x - 3y = -6 ....multiply by 4
----------------
-4x + 9y = 9
4x - 12y = -24 (result of multiplying by 4)
---------------add
- 3y = - 15
y = -15/-3
y = 5
x - 3y = -6
x - 3(5) = -6
x - 15 = -6
x = -6 + 15
x = 9
solution is : (9,5)
Answer : 6 is opposite of 1
Answer:
109 is the correct answer
The answer would be 413,000,000 and 4,000
