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ahrayia [7]
4 years ago
8

Given the linear system:

Mathematics
1 answer:
azamat4 years ago
3 0

Answer:

y=x+1/2z+-1/2

Step-by-step explanation:

Let's solve for y.

2x−2y+z=1

Step 1: Add -2x to both sides.

2x−2y+z+−2x=1+−2x

−2y+z=−2x+1

Step 2: Add -z to both sides.

−2y+z+−z=−2x+1+−z

−2y=−2x−z+1

Step 3: Divide both sides by -2.

-2y/-2 = -2-z+1/-2

y=x +1/2z+-1/2

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lys-0071 [83]

divide all both sides by the number with the x

for example 18 = 2x would be 9

18 divided by 2 is 9

2 divided by 2 would be canceled out.

so x would be 9

6 0
3 years ago
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(30pts)
AURORKA [14]

y = a(1-r)^×

source: https://mathbitsnotebook.com/Algebra2/Exponential/EXGrowthDecay.html

y = exponential decay

a = initial amount = 78000

r = decay rate = .03

x = number of time intervals = w

Error:

b = growth/ decay factor

b = 1+r for growth

b = 1-r for decay

x = w per the above information

Sarah did not account for either of these points when creating her equation.

Correct solution:

y = 78000 (1-.03)^w

7 0
3 years ago
Help please please please I will mark you as brainlist!
gizmo_the_mogwai [7]

Answer:

x=2; 7

Step-by-step explanation:

5 0
4 years ago
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In 56 years, Kevin will be 9 times as old as he currently is. How old is Kevin currently?
kiruha [24]
He is currently 47.

56-9=47 and if you switched it around it would be 47+9=56 so the answer is 47.
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3 years ago
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Visualise 5.96 on the number line up to 43 decimmal paces
Firlakuza [10]

Answer:

It's legit just 5.9600000000000000000000000000000000000000000.

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