<span>2x - 12 = 14
Add 12 to both sides of the = sign to get rid of the "-12".
</span><span>2x - 12 <span>+ 12 </span>= 14 <span>+ 12</span>
2x = 26
Now divide both sides by 2 to isolate the x
</span><span>
2x / 2 = 26 / 2
x = 13.
The solution is x = 13.
Hope this helps!
Let me know if there's anything you're still confused about and I'll try to help you out.
Solving for x like this is definitely something you want to master and be able to do on your own, because you'll be doing it in future math.
</span>
Answer:
The equation in standard form is:
x^2-40x-6000 = 0
Step-by-step explanation:
Let the length of the field be x yards.
Now the width of the field is 40 yards less than the length of the field.
Thus, the width of the field would be (x-40) yards
Now, to calculate the area of the field, we simply multiply the length of the field by the width of the field.
Hence;
Since the shape is rectangular, the area is the product of the length and that of the width
x(x-40) =6,000
x^2 -40x = 6,000
x^2-40x-6000 = 0
20%, because if 65 is 100, then 52 is 80% out of 65; so 100 - 80 is 20
Answer:
for what? I am just asking because I don't see the question or anything like that
Yes. Take for example a square and an ellipsis with the same perimeter. The family of ellipses with the same perimeter can have any area between that of a circle to zero (if it is extremely “thin” i.e. if its eccentricity is large). The circle has the maximum area of any other shape with the same perimeter, so the square has the same area of one of the intermediate ellipses.
