Answer: A
Step-by-step explanation: this is the only answer because the other two solutions are
A: 4>3 correct
B: 3>3 wrong
C: 2>3 wrong
I think the rate is decreasing from:
(-infinity, ln9/3)
The cost of each stone sphere is $ 36.81
<em><u>Solution:</u></em>
Given that,
An architect plans to buy 5 stone spheres and 3 stone cylinders
For the same amount, she can buy 2 stone spheres and 6 stone cylinders
Let "x" be that same amount
Let "a" be the cost of each stone sphere
Cost of each stone cylinder = $ 36.81
Therefore,
x = 5 stone spheres and 3 stone cylinders
x = 5a + 3(36.81)
Similarly,
x = 2 stone spheres and 6 stone cylinders
x = 2a + 6(36.81)
Equate both,
![5a + 3(36.81) = 2a + 6(36.81)\\\\5a + 110.43 = 2a + 220.86\\\\5a - 2a = 220.86 - 110.43\\\\3a = 110.43\\\\a = 36.81](https://tex.z-dn.net/?f=5a%20%2B%203%2836.81%29%20%3D%202a%20%2B%206%2836.81%29%5C%5C%5C%5C5a%20%2B%20110.43%20%3D%202a%20%2B%20220.86%5C%5C%5C%5C5a%20-%202a%20%3D%20220.86%20-%20110.43%5C%5C%5C%5C3a%20%3D%20110.43%5C%5C%5C%5Ca%20%3D%2036.81)
Thus cost of each stone sphere is $ 36.81
Step-by-step explanation:
Use Newton's second law. Force equals mass times acceleration.
F = ma
300 N = (100 kg) a
a = 3 m/s²