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sesenic [268]
3 years ago
8

Determine if the sequence is arithmetic, geometric, or neither. For arithmetic and geometric sequences, identify the common diff

erence or common ratio. For neither, enter n/a. {-45, -38, -31, -24, ...}
Arithmetic, Geometric, or Neither?

Common difference, ratio, or neither?
Mathematics
1 answer:
pogonyaev3 years ago
3 0

9514 1404 393

Answer:

  • Arithmetic
  • common difference = 7

Step-by-step explanation:

First differences are ...

  -38 -(-45) = 7

  -31 -(-38) = 7

  -24 -(-31) = 7

The first differences are constant, so this is an arithmetic sequence with a common difference of 7.

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An office building has the same number and size of offices on each floor. If there are 21 offices on the first 3 floors, then wh
zhenek [66]

Answer:

70 offices

Step-by-step explanation:

21 ÷ 3 to get amount per floor, 7 per floor, 7 × 10 = 70, 70 offices

6 0
1 year ago
There were 7 pizzas. 5 people ate all of the pizzas. each person ate an equal amount of pizza. how much pizza did each person ea
shtirl [24]

Answer: D

Step-by-step explanation:

A seems complicated and doesn’t make an sense while D is simple

3 0
2 years ago
Which method would be more efiicient to solve the system y=1/2x and 2x+3y=28
Licemer1 [7]
Probably the subsitution method


y=1/2x
subsitute that fr y

2x+3(1/2x)=28
2x+3/2x=28
times 2 both sides
4x+3x=56
7x=56
divide by 7 both sides
x=8
sub back

y=1/2x
y=1/2(8)
y=4

(x,y)
(8,4)
6 0
2 years ago
If x=-5 what is the value of x^2-1/x+1? A. 6 b. -4 c. 4 d. 5 4/5 e. 19 <br> need answers asap
xxTIMURxx [149]

Answer:

The answer is -6 but its not in the option

Step-by-step explanation:

\frac{ {x}^{2} - 1 }{ x  + 1}

Let x = -5

[(-5)²-1]/(-5+1)

= (25-1)/(-4)

= 24/-4

= -6

4 0
2 years ago
Solve for the missing angle (this is my last question and i just don’t wanna get it wrong)
AnnZ [28]

Answer:

<h2>x = 152°</h2><h2>________________</h2>

<u>Step-by-step explanation:</u>

<h3>Δx = 85° + 67°</h3><h3>Δx = 152°</h3><h2>________________</h2><h2>FOLLOW ME</h2>
4 0
3 years ago
Read 2 more answers
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