Determine whether each sequence is arithmetic , geometric , or neither.explain. 7,13,19,25,...

1 answer:

3 0

7, 13, 19, 25,…
+ 6 + 6 + 6

a(n) = a₁ + d(n - 1)
a(n) = 7 + 6(n - 1)
a(n) = 7 + 6(n) - 6(1)
a(n) = 7 + 6n - 6
a(n) = 6n + 7 - 6
a(n) = 6n + 1

The sequence is arithmetic because it has a common difference of 4 in order to make sure the the function would be equal to a(n) = 6n + 1.

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ludmilkaskok [199]

Answer:

First question: 1.4

Second question: Option 3

Step-by-step explanation:

First question:

You simplify the left equation first,

-0.4 x -3.5 = 1.4 , -0.4 x 2.9 = -1.16

For this to equal the right equation, the number missing must be 1.4.

Second question:

You simplify the equation given to you first,

1/4 x 8 = 2 , 1/4 x 12 = 3

The option that is equivalent to the answer is option 3; 2x + 3

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3 years ago

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Given:
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A hubcap has a radius of 12 centimeters. What is the area of the hubcap? Round your answer to the nearest hundredth. Use 3.14 fo

lana66690 [7]

Answer:

The area of hub cap is 452.16 square centimeters.

Step-by-step explanation:

We are given the following in the question:

Radius of hubcap = 12 cm

A hubcap is of the shape of circle.

Area of hubcap = Area of circle