Answer
Find out the length of the pole .
To proof
As given
The pole casts a 12-foot shadow when the sun is at a 40° angle of elevation.
x represented the length of pole .
As shown in the diagram
By using the trignometric identity
tan40° = 0.839099631 ( approx )
Put in the above
x = 12 × 0.839099631
x = 10.1 foot (approx)
Therefore the length of the pole in 10.1 foot (approx) .
Answer: b) multiply row 1 by -3 and add the result to row 2
Step-by-step explanation:
First,
|-13| represents the absolute value of the number 13. Absolute values cannot be negative. So |-13| cannot become -13, it would become 13.
So,
|-13| - |13| = -13 - 13 = 26 would become
|-13| - |13| = 13 - 13 = 0
4x-7=37
4x=37+7
4x=44
4x/4=44/4
X=11
Answer:
y=-1/3x-11/3
(Not sure what point slope form is, but this is the equation for the points)
