4 years ago

SOMEONE HAWLP!!! 10 POINTS!! EXTREMELY IMPORTANT!! NEED TO BE CORRECT TO GET POINTS!!

1 answer:

6 0

The answer is expression (3,-2).
Plug in answer after making a workable expression to y=1+-1x
2x+-3(1+-1x)
2x+-3+3x=-12
5x+-3=-12
-3 -3
5x=-15
x=-3
Plug back to expression
y=1+-3
y=-2
and x already is 3 so that is your answer for that.
Finally!Brainliest if right?

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In your class seven students do not receive a weekly allowance, Five students receive three dollars, Seven students receive five

olya-2409 [2.1K]

Answer:

$\large \boxed{\text{\$3.50}}$

Step-by-step explanation:

The mean is the sum of the allowances divided by the number of students.

$\text{Mean}= \dfrac{7(0) + 5(3) + 7(5) + 3(6) + 2(8)}{24}= \dfrac{0 + 15 + 35 + 18 + 16}{24} = \mathbf{3.50}\\\text{The mean weekly allowance is $\large \boxed{\textbf{\$3.50}}$}$