Angle y is vertical to 43° ....so it has the same measure
Angles x and z are vertical to each other....so their measures are equal.....and they are supplemental to 43° = 137°
1) y= -6x + 18
y - 18 = -6x
y - 18 ÷ -6 = x
y + 3 = x
2) y = 3/2x - 7
y + 7 = 3/2x
y + 7 × 2/3 = x
y + 14/3 = x
Answer:
True
Step-by-step explanation:
Horizontal lines with equation y = c where c is the value of the y- coordinates the line passes through are parallel to the x- axis and have a slope of zero.
Vertical lines with equation x = c where c is the value of the x- coordinates the line passes through are parallel to the y- axis and have an undefined slope.
Answer:
Area of a semi circle is 1/2πr²
r = radius
Area = 1/2 × π × 18²
= 162π
= 508.94km²
Hope this helps.