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3 years ago

12

Billy walks 15 miles every day to soccer practice, and catches a ride home from his grandma. Billy had 5 practices last week. Ho

w many yards did billy walk last week to practice.

1 answer:

kirza4 [7]3 years ago

8 0

Billy walked 75 yards last week

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ella [17]

Answer:

120

Step-by-step explanation:

We are given that the function for the number of students enrolled in a new course is $f(x) = 4^{x}-1$ .

It is asked to find the average increase in the number of students enrolled per hour between 2 to 4 hours.

We know that the average rate of change is given by,

$A = \frac{f(x)-f(a)}{x-a}$ ,

where f(x)-f(a) is the change in the function as the input value (x-a) changes.

Now, the number of students enrolled at 4 = f(4) = $f(x) = 4^{4}-1$ = 255 and the number of students enrolled at 2 = f(2) = $f(x) = 4^{2}-1$ = 15

So, the average increase $A=\frac{f(4)-f(2)}{4-2}$ = $A=\frac{255-15}{4-2}$ = $A=\frac{240}{2}$ = 120.

Hence, the average increase in the number of students enrolled is 120.

3 0

3 years ago

Also they have positive 1.25

aleksley [76]

-1.25............................

6 0

3 years ago

Use the given graph to determine the limit, if it exists.

Galina-37 [17]

<span>"A coordinate graph is shown with a downward sloped line crossing the y axis at the origin that ends at the open point 3, -1" → this is the left side of the graph, so the limit is -1.</span>

6 0

3 years ago

Need a real answer please

xz_007 [3.2K]

Answer:

Restate the question please?

Step-by-step explanation:

7 0

3 years ago

What is the value of this expression?

saw5 [17]

Answer:

Hey

Step-by-step explanation:

Answer is b. 42

2(17+6)−4

8 0

2 years ago

Read 2 more answers