Write the following Arithmetic Sequence using an Explicit Formula: a1 = 8, an = an-1 – 2 an = 8 + 2(n – 1)
an = 2 – 8(n – 1)
an = 2 + 8(n – 1)
an = 8 – 2(n – 1)

an = a + (n - 1)d

= 8 + 2(n - 1)

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80π/3 or about 83.775

step-by-step explanation:

since a cone is 1/3 of a cylinder, we need to find the base's area. since area = πr^2, we get 16π. then, multiplying this by 5, we get 80π. dividing by 3, since the cone's volume is 1/3 of that of a cylinder's, we get 80π/3.

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the rocket cannot penetrate the ground, in a contextual sense, therefore the roots of this equation should be the domain of this function. i'll let you find the roots of this quadratic equation (hint: use the quadratic formula:  

1- c

2-a

step-by-step explanation:

mark brainliest!