\[\sum_{n=1}^{7} 2(-2)^{n-1}\]
Answer:
2:9
Step-by-step explanation:
the surface area of the above triangular prism is 156 square inches.
Step-by-step explanation:
multiply the sum of the triangle sides by the height of the prism and add the values together for the answer, remembering to include the correct unit of measurement.
Answer:
No. A trapezoid is a shape with four sides, while a hexagon is a shape with six sides.
Step-by-step explanation:
Substitute the values in the expression
b-a=3-2=1
answer b-a=1
