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3 years ago

WELPPP PLEASEEEEThis is hard Kahn academy

Mathematics

1 answer:

UNO [17]3 years ago

4 0

Answer:

Step-by-step explanation:

The line shows that X is less than or equal to 1.

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Select the correct product. (j + 7)(k - 5)

liraira [26]

Foil the equation; j*k, j*-5, 7*k, 7*-5, once you foil add like terms.

jk - 5j +7k - 35 is the final answer

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3 years ago

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What is the mean absolute deviation of the data set

Ludmilka [50]

Answer:

Mean absolute deviation. The mean absolute deviation of a dataset is the average distance between each data point and the mean. It gives us an idea about the variability in a dataset

Step-by-step explanation:

Hope this helps

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3 years ago

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Help please it’s due tomorrow

valina [46]

Answer:

get good at math also change yo user u geek

Step-by-step explanation:

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3 years ago

What is the value of y in the solution to the system of equations? 1/3x + 1/4y = 1 2x-3y=-30

Zepler [3.9K]

Answer:

Step-by-step explanation:

$\left\{\begin{array}{ccc}\dfrac{1}{3}x+\dfrac{1}{4}y=1&\text{multiply both sides by 12}\\2x-3y=-30\end{array}\right\\\left\{\begin{array}{ccc}12\!\!\!\!\!\diagup^4\cdot\dfrac{1}{3\!\!\!\!\diagup_1}x+12\!\!\!\!\!\diagup^3\cdot\dfrac{1}{4\!\!\!\!\diagup_1}y=12\cdot1\\2x-3y=-30\end{array}\right\\\left\{\begin{array}{ccc}4x+3y=12\\2x-3y=-30&\text{multiply both sides by (-2)}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}4x+3y=12\\-4x+6y=60\end{array}\right}\qquad\text{add both sides of the equations}$

$.\qquad9y=72\qquad\text{divide both sides by 9}\\.\qquad y=8$

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4 years ago

I need help ASAP

ra1l [238]

Answer:

x =y-3 x=y-3 x=y-3 x=3

2 (y-3) + y= 12 => 3y= 18 => y= 6 => y=6

Step-by-step explanation:

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3 years ago