Hey there!
Here is a graph of the points:
A scatterplot is a graph, but the points won't be able to connect in a straight line, and they have no relation.
A line of best fit is a line that goes evenly through the points, or as best as it could.
Answer:
400 lb of salt
Step-by-step explanation:
Let us assume the water flows into the rank for x minutes.
There is an initial of 1000 gallons of water in the tank and water flows in through one pipe at 4 gal/min and through another pipe at 6 gal/min. In x minute, the amount of water in the tank = 1000 + 4x + 6x = 1000 + 10x
Water flows out at 5 gal/min, therefore in x minute the amount of water in the tank = 1000 + 10x - 5x = 1000 + 5x
The tank begins to overflow when it is full (has reached 1500 gallons). Therefore:
1500 = 1000 + 5x
5x = 1500 - 1000
5x = 500
x = 100 minutes.
1/2 lb salt per gallon flows into the tank at 4 gal/min and 1/3 lb of salt is flowing in at 6 gal/min, in 100 min the amount of salt that entered the tank = 4 gal/min × 100 min × 1/2 lb/gal + 6 gal/min × 100 min × 1/3 lb/gal= 400 lb
Therefore the amount of salt is in the tank when it is about to overflow = 400 lb of salt
<h3>Given :-</h3>
- Pranav ran 20.3 km more than Branda

To find :
- No. of kilometers did Brenda run.

<h3>Let :</h3>
- No. of kilometers ran by Brenda be x.

<h3>Solution:</h3>

Equation formed:-

Total distance covered by Pravan = More distance covered by Pravan + distance covered by Brenda.
Therefore:-


Write the equation


When we transfer 20.3 to left side the positive sign (+) will change into negative sign (–)


Arrange the equation because x is always represented at left side.


After subtracting 38.6 with 20.3 we will get result as 18.3 .

