Can you guys please help me I have been stuck on this over two days!!
2 answers:
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Answer:
Step-by-step explanation:
x - 2y = 8
Write this in y = mx +b form
- 2y = -x + 8
Divide the equation by (-2)
Slope = 1/2
The slope of the perpendicular line = -1/m
m = -2 , ( -2 , 5)
Equation: y = mx +b
Plug in m = -2 ,x = -2 and y =5
5 = (-2)*(-2) + b
5 = 4 + b
5 - 4 = b
b = 1
Equation of the line:
y = mx +b
y = -2x + 1
The coordinate point (3.5, 3.5), the reflection of the coordinate across the y-axis will form a pre image at (-3.5, 3.5)
<h3>Reflection of coordinates</h3>If a coordinate (x,y) is reflected across the y-axis, the equivalent coordinate points will be given as (-x, y).
Using the translation for the reflections;
Give the coordinate point (3.5, 3.5), the reflection of the coordinate across the y-axis will form a pre image at (-3.5, 3.5)
Learn more on reflection here: brainly.com/question/13355850
Answer:
1.8148
Step-by-step explanation:
= 1.8148
Answer:
Option C.
Step-by-step explanation:
It is given that the surface area of a rectangular prism, is
where a, b, and c represent the lengths of the edges of the prism.
We need to find the surface area of this prism if a = 12 inches, b = 6 inches, and c = 4 inches.
Substitute a=12, b=6 and c=4 in the above formula.
The surface area of this prism is 288 sq.inches.
Therefore, the correct option is C.