Answer:
B
Step-by-step explanation:
A graph is only a function when there is only one y value for each x value.
A trick is to draw a line through some points on the x-axis, and if the line goes through more than one point. Then it is not a function. (See picture)
Sorry, not all the lines are straight, but you get the point. B is the only one that doesn't have more than one point on the lines I drew.
Original investment is V
In the first year V decreased by 0.08V to give V - 0.08V
In the second year; V - 0.08V increased by $450 to give V - 0.08V + $450
The value (n) after two years = V - 0.08V + $450
The correct choice is 'D.'
Answer:
w=105rpm
Step-by-step explanation:
The link between The lineal movement and and angular movement is V=w*r
w has units in rad/s, r is the radio of the rotating/moving element .
15 miles per hour= 15*63360 in/h= 950400 in/h= 15840 in/min
with the above relation we can use the link we were talking in the first paragraph.
15840 in/min=w*24in.
w=660 rad/min
w= 660 /(2 pi) rpm= 105rpm
The surface area is the area of all the surfaces. Let's find the area of the square and the four triangles and add them together:
Square:
Triangles 1, 2, 3, & 4:
Now add them all up:
So the surface area of the square pyramid is 340 square inches.