Answer:
4/10= 2/5
Step-by-step explanation:
<span>A polygon that is sometimes regular is a pentagon. A regular polygon is a polygon that has all sides equal and all interior angles are equal. Its sides and vertices are evenly spread around a central point, and a regular polygon is called convex where all the vertices point “outwards”.</span>
Answer:
11.625 or mixed number form 11 
Step-by-step explanation:
divide 46.5 by 4
-1 = z/3 - 7
Emily's Work:
-1 = z/3 - 7
-1(3)=z/3(3)-7
-3 = z - 7
-3 -7 = z - 7
z = -10
Right away without having to start at the beginning, I see that she has made a mistake at the 4th-5th line of work.
Instead of adding 7 to both sides, she subtracts it and still leaves it in and doesn't fully finish the equation, as it would really be z-7 = -10
In order to solve it, follow these steps:
Rewrite the initial equation as follows:
x/3 - 7 = -1
Multiply both sides by 3
x/3(3)-7(3)=-1(3)
x - 21 = -3
Add 21 to both sides
x = 18
Answer:
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Step-by-step explanation:
