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Romashka [77]
3 years ago
6

Which series are neither arithmetic nor geometric? Choose all that apply.

Mathematics
1 answer:
AfilCa [17]3 years ago
3 0
The middle two. An arithmetic series is when something is added over and over again. Geometric is the same except multiplication. For the first one, it only adds 3. For thr last one, it multiplies by -3. For the middle two, I can't seem to find a pattern.
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PLEASE HELP! Find the surface area of the right triangular prism.
slega [8]

Answer:

  1200 in²

Step-by-step explanation:

The surface area of the prism is the sum of the lateral area and the areas of the bases.

__

<h3>lateral area</h3>

The lateral area is the total area of the three rectangular faces. It can be computed from ...

  LA = Ph

where P is the perimeter of the triangular base, and h is the height of the prism (the distance between triangular bases).

The perimeter is the sum of the edge lengths of the base:

  P = 30 in + 17 in + 17 in = 64 in

Then the lateral area is ...

  LA = (64 in)(15 in) = 960 in²

__

<h3>base area</h3>

The two bases are congruent triangles, so have a total area of ...

  A = 2(1/2bh) = bh

where b is the base of the triangle, and h is its height.

  A = (30 in)(8 in) = 240 in²

__

<h3>total surface area</h3>

The sum of lateral area and base area is ...

  total area = (960 in²) +(240 in²) = 1200 in²

The surface area of the triangular prism is 1200 square inches.

4 0
2 years ago
Avery invested $200 in an account paying an interest rate of 6 7/8%
Maslowich

Answer:

0.73 yrs

Step-by-step explanation:

if t is time in years

quarterly

600 = 200(1 + 0.06625/4)^4t

3 = (1 + 0.06625/4)^4t

ln3 = 4tln(1. + 06625/4)

t = ln3 / (4ln1.0165625)

t = 16.7198 yrs

continuously

600 = 200e^(0.06875t)

3 = e^(0.06875t)

ln3 = 0.06875t

t = ln3 / 0.06875

t = 15.9798 years

Δt = 16.7198 - 15.9798 = 0.73 yrs

5 0
3 years ago
Read 2 more answers
I need help with both a and b please
Anika [276]
A.
2.718... between 2 and 3
2 = √4 and 3 = √9
So, 2.718... between √4 and √9        [√4 < e < √9]


b.
π = 3.1415...
3.1415... between 3 and 4
3 = √9 and 4 = √16
So, 3.1415... between √9 and √16       [√4 < π < √9]
6 0
3 years ago
Write the expression in its simplest form : -3 (7h+1)+6h
Ivenika [448]

Answer:

-15h-3

Step-by-step explanation:

hope this answers an option yk

8 0
3 years ago
Read 2 more answers
Can someone help me do 1 - 3.
9966 [12]

Answer:

1. Is 22

2. is 54x

3. is 81d

3 0
3 years ago
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