Answer:
x=-4
Step-by-step explanation:
5+4x=-11
4x=-11-5
4x=-16
x=-16/4
x=-4
5+4(-4)=-11
5-16=-11
-11=-11
The y-intercept of the line is (0, 12/7).
In the slope-intercept form, y = mx + b:
m = slope
b = y-intercept
The y-intercept is the point on the line where it crosses the y-axis, and has coordinates of (0, b). It is also the value of y when x = 0.
In the slope-intercept form, the value of b is the y-coordinate of the y-intercept, (0, b).
Therefore, the y-intercept = (0, 12/7).
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a tree casts a 25-foot shadow on sunny day. If the angle of elevation from the tip of the shadow to the top of the tree is 32 degree, what is the height of the tree to the nearest tenth of a foot?
Tan(32)=H/25
0.624869=H/25
H=.624869 X 25
H=15.6 feet-Height of the tree.
Answer:
25
Step-by-step explanation:
16/.64=25
Answer:
72
Step-by-step explanation:
Just multiply all them
