Answer:
Formula: (x, -y), when reflecting over the x-axis you keep the x-value the same, but change the sign of the y-value. For example: You have the original coordinates (3, 5), and if you reflect it over the x-axis it’ll be (3, -5).
Answer:
C(x) = ![\$3.50(\frac{x^2+7200}{x})](https://tex.z-dn.net/?f=%5C%243.50%28%5Cfrac%7Bx%5E2%2B7200%7D%7Bx%7D%29)
Step-by-step explanation:
Data provided in the question:
Area of the field = 3600 square feet
Fencing charges = $3.50 per foot
Let the side along the river be 'x' feet and the other side of the 'B'
now,
Area of rectangle = Bx = 3600 square feet
or
B =
feet
and total length to be fenced = x + 2B
therefore,
Total cost of fencing = Fencing charges × total length to be fenced
or
Total cost of fencing = $3.50 × ( x + 2B )
substituting the value of B from (1)
Total cost of fencing, C(x) = ![\$3.50(x+2\times\frac{3600}{x})](https://tex.z-dn.net/?f=%5C%243.50%28x%2B2%5Ctimes%5Cfrac%7B3600%7D%7Bx%7D%29)
or
C(x) = ![\$3.50(\frac{x^2+7200}{x})](https://tex.z-dn.net/?f=%5C%243.50%28%5Cfrac%7Bx%5E2%2B7200%7D%7Bx%7D%29)
You can convert everything in minutes once you've solved it you turn it back to hours and minutes....5hrs and 8min= 308min....3hrs 12min=192min....308-192=116.....116 is 1hr and 56min
Answer:
B). 3 1/2(-2) = -7
Step-by-step explanation:
Let's evaluate the expression so as to be able to get the right estimate.
3 4/7 (-2 1/12)
=3 4/7 (-25/12)
= 25/7 * -25/12
= 25/7 * -25/12
= -625/84
= -7 37/84
Approximately it's equal to ,-7
Answer:
total ground and wall angle is 90°
beam angle with ground= 51
beam angle with wall =39
because total angle=angle with ground + angle with wall
angle with wall=total angle-angle with ground
angle with wall= 90-51=39