Subtract 3 from both sides. Divide each term by 4, Then find a value that’s is equal to the square of half of b, (b/2)^2
And add it to each side of the equation. Factor the perfectly trinomios square and solve for x. Answer is x= square root of 13/2 -2 and negative square root of 13/2-2. Two answers
Diameter is the straight length of a circle or sphere. Radius is just the middle of the circle to any edge. so diameter is twice the radius. Also radius is half of diameter for the second one.
As the runner weighs 2/3 as much as the weight lifter. The additional 90lbs correspond to 1/3 of the weight lifters weight. Hence the weight lifters weight is 90x3 =270 lbs
If you plug that into a calculator you get 4.5
Answer:
Step-by-step explanation:
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