Mark wants to improve his free throw percentage in basketball. He has shot 1,250 free throws over the last 20 days. He shot either 50 or 100 free throws a day. Formulate and solve a system of equations to determine how many times Mark shot 100 free throws for the day.

Mark shot 100 free throws for 5 days.

Step-by-step explanation:

Let x represent number of days when Mark shots 50 free throws and y represent number of days when Mark shots 100 free throws.

We have been given that Mark has shot 1,250 free throws over the last 20 days. We can represent this information in an equation as:

We are also told that Mark shot either 50 or 100 free throws a day and shot a total of 1250 free throws. We can represent this information in an equation as:

Upon substituting equation (1) in equation (2), we will get:

Therefore, Mark shot 100 free throws for 5 days.

options a,b,c are the right answer.

step-by-step explanation:

a linear parent function is always represented as y = x

if we write this function in the form of y=mx+c

⇒

or  

now if we plot a graph we will find these characteristics:

1) y intercept of the graph is zero so its a straight line passing through origin.

2) as we can see in both the forms of function written, values of x and y may be either positive or negative for the positive slope means points on the graph are either in first quadrant or in third one.

3) it's slope is one.

13

step-by-step explanation:

divide the cost of the total of sodas you bought by the cost of one soda, for example:

$24.57 divided by $1.89 is 13 which means you bought 13 sodas