x=7x-21
Step-by-step explanation:
- x=7x-21
- 21=7x-x
- 21=6x
- x=21/6
- x=7/2
- x=3.5
Answer:
4.71 minutes
Step-by-step explanation:
Incomplete question [See comment for complete question]
Given
Shape: Cone
-- radius
--- height

Required
Time to pass out all liquid
First, calculate the volume of the cone.
This is calculated as:

This gives:



To calculate the time, we make use of the following rate formula.

Make Time the subject

This gives:


Cancel out the units


X=number of pounds
y=cost of pound .
x+y=cost
1. A. 10,000
Explanation: 10^4 = 10,000
2. x = -12
Explanation: see photo
You need to divide 320000 by 2 since the speed was divided by 2. The final answer is ...... 160000 Joules.
I hope this helped!!!! :D