2 years ago

X - Y =4 - 2x+y=18 Linnear system

Mathematics

1 answer:

Dmitry_Shevchenko [17]2 years ago

8 0

there is no answer to this so i can't help you.?

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5 rubber stamps cost $9.70.

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E None of the above

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Suponha que uma variável assume os valores: 11 – 8 – 7 – a – 16 – 10 Determine a de modo que a média aritmética seja igual 11.

Elenna [48]

Answer:

a = 14

Step-by-step explanation:

The mean is the sum of the values divided by the number of values.

$\begin{array}{rcl}\text{Mean}&= &\dfrac{11 + 8 + 7 + a + 16 + 10}{6}\\\\\dfrac{52 + a}{6}& = & 11\\52 + a & = & 66\\a & = & 66 - 52\\& = & \mathbf{14}\\\end{array}$

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bonufazy [111]

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3 years ago

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Find the solutions to the equation below.

taurus [48]

2x²+7x+3=0

2x²+(1+6)x+3=0

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3 years ago