Answer: $33.48
Step-by-step explanation:
Given that:
Capacity of car tank =. 16 gallons
Gallons of already filled = 6.6 gallons
Amount left of tank capacity = 16 - 6.7
Amount left of tank capacity = 9.3 gallons
Cost of gas per gallon = $3.60
Hence, amount spent in gas will be
Amount left of tank capacity * cost per gallon of gas
= 9.3 gallons * $3.60
= $33.48
Total amount spent on gas = $33.48
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Let 11x + 15y + 23 = 0 be equation (1)
And 7x - 2y - 20 = 0 be equation (2)
Multiply equation (1) by 2:
22x + 30y + 46 = 0
Multiply equation (2) by 15:
105x - 30y - 300 = 0
Add equations (1) and (2):
22x + 105x + 30y - 30y + 46 - 300 = 0
127x - 254 = 0
127x = 254
x = 254/127
[x = 2]
Substitute x = 2 in equation (1) to find y:
11(2) + 15y + 23 = 0
22 + 15y + 23 = 0
15y + 45 = 0
15y = -45
y = -45/15
y = -3
Therefore, x = 2 and y = -3.
The Shang Dynasty had several contributions to history. One of the most important and notable contribution was writing.
Answer:
19..........................
Let's make this simple. Let's have the small cone have a radius 1 and the height 1. This would make the bigger
cone
have a radius of 1 and the height of 2.
With this information, lets get the volume of both cones. The formula is this:

Plug in numbers:
Small cone:

Big cone:

The small cone has a volume of

The big cone has a volume of

Now, you want to find how many small cones you need to have the same total volume of the big cone.

You have the difference of pi over 3 comparing the big cone to the small one. You realize that the small cone has the same volume of that. Therefore,
you need 2 small cones to have the same total volume as the larger cone