Can u take a better picture I can't read it
Answer:
radius by 2 ye this will be the correct answer d=r/2
It's actually (-9)... think of it as a hot air balloon, the positivies being balloons and the negatives being sandbags or weights.
You have 7 sandbags/weights and add 9 more sandbags/weights, causing u to go lower, therefore, *negative* 9
Hope that helped! :))
Hello.
400=(x+20)x is the equation or 400=x^2+20x
<span>(x+10)=square root of 500
</span>
<span>so x+10=10 radical 5
</span>
<span>final answer -10 + or - 10 radical 5=x
</span>
Have a nice day