Answer:
od I'd the correct answer
The answer is -100 (10*10)- (-10*-10) - (10*10)
Answer:
(-7, -3)
Step-by-step explanation:
Do it in two steps:
a) First mirror point (7,3) in x-axis gives (7, -3).
Then the next step...
b) ...mirror point (7, -3) in y-axis gives (-7, -3)
Please understand that the outcome is the same, if you first mirror in y-axis and then mirror in the x-axis.
Just to demonstrate this:
a) If you irst mirror point (7,3) in y-axis gives (-7, 3).
Then the next step...
b) ...mirror point (-7, 3) in x-axis gives (-7, -3)
<h3><u>
The value of y is 1.6</u></h3><h3><u>
The value of x is 4.5</u></h3>
By elimination:
2x + 5y = 17
6x - 5y = 19
<em><u>We can add the second equation to the first in order to isolate one variable.</u></em>
(2x + 5y) + (6x - 5y)
8x = 17
<em><u>Because we added the left side, we have to add the right side here as well.</u></em>
17 + 19 = 36
8x = 36
<em><u>Divide both sides by 8</u></em>
x = 4.5
We can plug this value back into the original equation to find the value of y.
2(4.5) + 5y = 17
9 + 5y = 17
<em><u>Subtract 9 from both sides.</u></em>
5y = 8
<em><u>Divide both sides by 5.</u></em>
y = 1.6
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