Answer:
-2x+19
Step-by-step explanation:
-12x+15-(-10x)+4
-12x+15+10x+4
-2x+19
Answer:
65
Step-by-step explanation:
Im to lazy to do the math
Answer:
6
Step-by-step explanation:
because if it needs 4 for 120 then u would divide that and get 30 then divide 180 by 30 and get 6.
Answer:
-2
Step-by-step explanation:
Since it would be immensely helpful to know the equation of this parabola, we need to figure it out before we can continue. We have the work form of a positive upwards-opening parabola as

where a is the leading coefficient that determines the steepness of lack thereof of the parabola, x and y are coordinates of a point on the graph, and h and k are the coordinates of the vertex. We know the vertex: V(-3, -3), and it looks like the graph goes through the point P(-2, -1). Now we will fill in the work form equation and solve for a:

which simplifies a bit to

and
-1 = a(1) - 3. Therefore, a = 2 and our parabola is

Now that know the equation, we can find the value of y when x = -3 (which is already given in the vertex) and the value of y when x = -4. Do this by subbing in the values of x one at a time to find y. When x = -3, y = -3 so the coordinate of that point (aka the vertex) is (-3, -3). When x = -4, y = -1 so the coordinate of that point is (-4, -1). The average rate of change between those 2 points is also the slope of the line between those 2 points, so we will use the slope formula to find it:

And there you have it! I'm very surprised that this question sat unanswered for so very long! I'm sorry I didn't see it earlier!
Answer:
4 plants
Step-by-step explanation:
In this problem, we are given the total area of the garden, which is:

The number of plants that can fit inside the garden is given by the equation:

where:
n is the number of plants
a is the area of each plants
In this problem, the area of each plant is

Therefore, we can re-arrange the equation to find the number of plants that can fit:
