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Sidana [21]
3 years ago
15

Help please :) I will show the next questions in the other one so please answer them.

Mathematics
1 answer:
Yuki888 [10]3 years ago
6 0

Answer:

Can you please take a better picture

Step-by-step explanation:

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A system of linear equations is given by the tables.
almond37 [142]

Answer:

2

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x=4,y=11 (same in both equations)

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2 years ago
Solve each equation 11.3 - 7.2f = -3.82
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11.3-7.2f = -3.82
-11.3 -11.30
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-7.2f = -15.12
____ _____
-7.2 -7.2
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What is 47 and 2/3 as a decimal
Phoenix [80]
47 is 0.47 and 2/3 is 0.66
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A 2000 lb crystal chandelier in a Las vegas Hotel is suspended by 2 cables.
Musya8 [376]

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5 0
3 years ago
Solving these quadratics for x using complete the square 3x^2-4x-1=0. Show your work.
UkoKoshka [18]
Answer: x = (sqrt(7) + 2)/3 and
x = ( – sqrt(7) + 2)/3

Explanation:

3x^2 - 4x - 1 = 0

Divide both sides by 3:

3x^2/3 - 4/3x - 1/3 = 0/3
x^2 - 4/3x - 1/3 = 0
x^2 - 4/3x = 1/3
x^2 - 4/3x + (2/3)^2 = 1/3 + (2/3)^2
(x - 2/3)^2 = 1/3 + 4/9
(x - 2/3)^2 = 7/9

Sqrt both sides:

x - 2/3 = sqrt (7/9)
x - 2/3 = |sqrt(7)/3|

Set x -2/3 = sqrt(7)/3

=> x = (sqrt(7) + 2)/3

Set x - 2/3 = - sqrt(7)/3

=> x = ( - sqrt(7) + 2)/3
6 0
2 years ago
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