179 students in 3rd grade, 189 4th graders, and 209 5th graders. 577 students total!
Answer:
0.5,1.2,23,-34,-73
Step-by-step explanation:
first ,we use the Pythagorean theorem to determine the width:
width = √(17^2-15^2) = 8
then
perimeter = 2(width+lengt) = 2(8 + 15) = 2×23 = 46
In algebraic terms this is:
The integer is 2.
YOUR GETTING 400 POINTS