7 x 3= 21 you can also use a calculator to help you
Answer:
y = 45 / 2x + 50
Step-by-step explanation:
The best equation for the line of the best fit would be y = 45 / 2x + 50.
The slope would be 45 / 2 and the y-intercept would be ( 0 , 50 ).
I used the points, ( 0 , 50 ) and ( 4 , 140 ) to get the equation, slope, and the y-intercept.
I used those points because they were the most accurate ones that I know for now.
Also, remember the formula is, "y = mx + b."
The center of mass is mathematically given as

<h3>What is the center of mass.?</h3>
Determine the center of mass in one dimension:
Represent the masses at the respective distances.

We calculate the total mass of the system.

Step 03: Calculate the moment of the system.

we calculate the center of mass.

Read more about the center of mass.
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If you divide two hundred and thirty-six by four, you have fifty-nine groups; each consisting of three boys and one girl. If you multiply fifty-nine by three, you are presented with the number of boys- one hundred and seventy seven. (:
Hey there!
First, divide both sides by 12
-12(k+4)/-12= 60/-12 and you would getk+4=5
Now subtract 4 from both sides
k+4-4= 5-4
k=-9