The keyword is "sum" which tells you x, y, and z are being added. One half of the sum means that the sum of the three numbers is going to be divided by 2.
x + y + z
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2
If you mean standard 8.5x11 paper then 3 papers wide would make it 25.5in or 2.13 feet.
Answer:
meghan has 30 stickers
Step-by-step explanation:
5x3=15 double is 30
A flat three dimensional solid like a cube, a prism or a pyramid. When you cut out the "net", fold it and glue it together you can see what the three dimensional shape looks like. (It can be used in math)Draw a net of the polyhedron. Calculate the area of each face. Add up the area of all the faces.