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Rus_ich [418]
2 years ago
8

Learning

Mathematics
1 answer:
andrezito [222]2 years ago
6 0

Answer:

13

Step-by-step explanation:

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Given the first three terms of a linear sequence: 3x – 2;x+9; 2x + 5 Determine the value of x.​
Yuliya22 [10]

Answer:

x = 5

Step-by-step explanation:

The difference between consecutive terms will be equal , then

a₂ - a₁ = a₃ - a₂ , that is

x + 9 - (3x - 2) = 2x + 5 - (x + 9) ← distribute parenthesis on both sides

x + 9 - 3x + 2 = 2x + 5 - x - 9 , simplify both sides

- 2x + 11 = x - 4 ( subtract x from both sides )

- 3x + 11 = - 4 ( subtract 11 from both sides )

- 3x = - 15 ( divide both sides by - 3 )

x = 5

5 0
2 years ago
Read 2 more answers
which expression correctly shows the commutative proberty? a)8+14+22+9=(8+14)+(22+9). b)8+14+22+9=8+(14+22)+9. c)8+14+22+9=53. d
Lerok [7]
D has the commutative property because it just flip flopped the numbers.
5 0
3 years ago
The steps to solving the expression the quantity of the sum of three squared plus four divided by the absolute value of negative
bearhunter [10]

Answer:

Step 3 should be ((9+4)/(0.25))-10.4 divided 4

Step 6 should be 52 - 2.6

I got it right on my exam :)

7 0
1 year ago
Cameron estimates that the math class will sell 200 calendars. what will the total cost be'
Airida [17]
Well i can't really help you in this since i do not know the cost of each calendar, but if you need the formula.

the cost of one calendar = x

so the total cost would be 200 times x (200x)
4 0
3 years ago
Which expression would be easier to simplify if you used the associative
Fynjy0 [20]

Answer:

I believe its A.

Step-by-step explanation:

3 0
3 years ago
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