Answer: no
Step-by-step explanation: the answer is no
-5x - 6y = -21
5x - y =. 84
-7y = 63
y= -9
-5x = -21 - 54
-5x = -75
x = 15
Answer:
8 (7.94)
Step-by-step explanation:
You can think of it as a geometry problem.
What is formed here is a triangle, which sides ate: the line, the line's shadow, and the height from the ground to the kite (here I attach a drawing).
What you need to find is the height. We will call it H.
As the triangle formed is a right one, we can use Pitágoras' theorem. The height H squared plus the squared of the shadow is equal to the squared of the line (the hypotenuse). This is:
H^2 + 9^2 = 12^2
H^2 + 81= 144
H^2 = 63
Applying squared root in both sides
H = √63
H = 7,94
So, the height is approximately 8.
Answer:
0.25k+1.5−k−3.5
Subtract k from 0.25k.
−0.75k+1.5−3.5
Subtract
3.5 from 1.5.
−0.75k−2
Step-by-step explanation:
It is false that city parks are part of the natural environment.
Since we are the ones who built them, they couldn't have been created by nature.