Answer:
area of circle=π
452.1=3.14
452.1/3.14=
143.98=
=r
11.99=r
now ,
diameter=2r
=2*11.99
=23.98
Step-by-step explanation:
1wd = 4ft
3 ft = 1 yd
1yd x 4=4 yd
4 yd = 12ft
4 wd x 4 = 16ft
Yes, 4 pieces of wood are longer than 4 yards by 4 ft or 1 1/3yd
Answer:
1. y-(is that a 7 or a 1?) = 2(x-4)
2. y-4 = (1/2)(x-2)
3. y = (2/3)(x+6)
... and so on
The formula for a line given point and slope is :
y - (y-value of point) = slope * x - (x-value of point)
Answer:
See below
Step-by-step explanation:
<em>Vector argument</em>
Vector DF is (5, -4) - (5, 5) = (0, -9).
Vector EG is (2, 2) - (8, 2) = (-6, 0).
The dot-product of these two vector is (0, -9)•(-6, 0) = 0·(-6) + (-9)·0 = 0.
When the dot-product of two vectors is zero, those vectors are at right-angles to each other. Therefore diagaonal DF ⊥ diagonal EG.
_____
<em>Alternate argument</em>
The x-coordinates of points D and F are the same, so diagonal DF is a vertical line. The y-coordinates of points E and G are the same, so diagonal EG is a horizontal line. Vertical lines are perpendicular to horizontal lines, so DF ⊥ EG.
I think that the answer is 1.25
