You could buy 6 keychains spending 4 dollars each. 6 * 4 = $24.
Since the perimeter is 45 each side is 7.5 (45 divided by number of sides).
Now the picture already divided the hexagon into one triangle, and you can make another triangle in the bottom left. You can isolate the middle part into a big rectangle and the right part into two triangles.
Area of rectangle: length * width
Area of triangle: (1/2) * base * height
Answer:
to get volume you have to do this base x height
Step-by-step explanation:
12 x 8 is 96 that the base
next base times height which is 1996.8 however since the shape is a triangle and not a square you have to divide by 2 so the answer is 998.4 m^2
If you can make the denominators the same so 2 can become 10 by mulitiplying by 5 and 1x5 is 5 so 5/10 is less than 7/10
12v + 3b = 243
4v + 4b = 204....multiply by -3
-------------------
12v + 3b = 243
-12v - 12b = - 612 (result of multiplying by -3)
-------------------add
-9b = - 369
b = -369/-9
b = 41 <=== each bus holds 41 students
4v + 4b = 204
4v + 4(41) = 204
4v + 164 = 204
4v = 204 - 164
4v = 40
v = 40/4
v = 10 <== each van holds 10 students
