Answer:
hello :
note :
the nth term of an arithmetic sequence is :
An =A1+(n-1)d ....a common difference is : d ... A1 : the first term
in this exercice : A1 = - 1 d = (-6) -(- 1) = -5
An = - 1 + (n - 1)(-5)
the expression is : An = - 5n +4
Interesting question. Let's see.
Rectangular Prism: any box (like a shoe box or a packing box).
Triangular Prism: We're not supposed to give personal answers, but I can't help it with this. When I was growing up, our front door's window had a triangular prism beveled around its edges. What made it so remarkable was that it broke up the light into a rainbow of colors on the floor.
Cylinder. Many drinking glasses are in the shape of a cylinder. Also old fashioned water towers were cylindrical in shape.
Cone: a kitchen funnel is an upside down cone. Some funnels don't have a spout, so that makes them true cones.
Pyramid: The pyramids for the Pharaohs in Egypt.
Sphere: Any ball (beach ball, baseball basketball soccer. Some storage shapes for spices -- technically not a perfect sphere). Planets. The sun. (The earth is almost a perfect sphere).
Answer:
9-4t
Step-by-step explanation:
Answer: -2 and -7 i think
7 x 5 = 35
1/2(7) x 2
3.5 x 2
7
35 + 7 = 42 Units squared
