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yanalaym [24]
3 years ago
8

Y= 9x -9 y= 9 substitution method

Mathematics
1 answer:
Aneli [31]3 years ago
3 0
You would plug in the y=9 into the first equation and then have the expression 9=9x-9
. After going through the first steps of solving an expression you would get 18=9x. X=2. Then you would plug in the x value into the first expression to get y=9.
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How do you do this question?
Molodets [167]

Answer:

C. y₂ = (1 + (t/n))²

Step-by-step explanation:

yₙ₊₁ = yₙ + Δt F(tₙ, yₙ)

yₙ₊₁ = yₙ + Δt yₙ

yₙ₊₁ = yₙ + (t/n) yₙ

When n=0:

y₁ = y₀ + (t/n) y₀

y₁ = 1 + (t/n)

When n=1:

y₂ = y₁ + (t/n) y₁

y₂ = 1 + (t/n) + (t/n) (1 + (t/n))

y₂ = 1 + (t/n) + (t/n) + (t/n)²

y₂ = 1 + 2(t/n) + (t/n)²

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4 0
3 years ago
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sattari [20]

Answer:

y = 1/4 x - 7/2

Step-by-step explanation:

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-4y = -x + 14

y = -x/(-4) - 14/4

y = 1/4 x - 7/2

6 0
3 years ago
What is the median of the data set? {12, 15, 18, 20, 22, 23, 24, 40, 45} Enter your answer in the box.
Morgarella [4.7K]
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Answer:

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this is your answer

6 0
3 years ago
Read the top and answer 100 points
77julia77 [94]

Answer:

1)30.1029995664

2)69.2980392812

3)168.080670083

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23x+46-6000=0

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Hope this help you!

7 0
3 years ago
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