Answer:
10.
Step-by-step explanation:
x^2 + 5x = 150
x^2 + 5x - 150 = 0
This equation will factor:
(x - 10)(x + 15) = 0
x - 10 = 0 or x + 15 = 0, so:
x = 10 or -15.
Given that 5 pounds of rice at a store cost $6.50.
Then 1 pounds of rice at a store cost = $6.50/5= $1.3
So the equation for the cost can be written as:
C=1.3P just like we write equation y=mx
Now we have to graph the cost C, vs pounds of rice.
Variable for Pounds of rice is not given so let it be "P"
So let's make a table for number of pounds (P) and cost (C) the we can graph the points from that table to get the final graph.
Attached graph is the final graph.
600 seconds would be 10 minutes, as there are 60 seconds in a minute.
Expressed as hours, that would be 1/6 of an hour.
Answer:
225
Step-by-step explanation:
Let h represent the number of hamburgers sold. Then h-61 is the number of cheeseburgers sold. The combined total is ...
h +(h -61) = 389
2h = 450 . . . . . . add 61
h = 225 . . . . . . . divide by 2
There were 225 hamburgers sold on Thursday.
Answer:
this equation cannot be written in slope-intercept form
Step-by-step explanation:
The given equation is equivalent to ...
2x +9 = 0 . . . . . subtract 1x
x + 4.5 = 0 . . . . divide by 2
x = -4.5 . . . . . . . the equation of a vertical line.
It has no y-intercept and its slope is undefined.
