Answer:
28 baskets
Step-by-step explanation:
The equation for a linear trend line is given by:
y = mx + b, where y and x are variables, m is the slope of the line and b is the y intercept (that is value of y when x is zero).
The equation of a line passing through two points
is:
![y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)](https://tex.z-dn.net/?f=y-y_1%3D%5Cfrac%7By_2-y_1%7D%7Bx_2-x_1%7D%28x-x_1%29)
y represent the number of baskets made and x represents the time take. Given that the line passes through the points (0, 11) and (100, 33), hence:
![y-11=\frac{33-11}{100-0}(x-0)\\\\y-11=\frac{11}{50}x\\\\y= \frac{11}{50}x+11](https://tex.z-dn.net/?f=y-11%3D%5Cfrac%7B33-11%7D%7B100-0%7D%28x-0%29%5C%5C%5C%5Cy-11%3D%5Cfrac%7B11%7D%7B50%7Dx%5C%5C%5C%5Cy%3D%20%20%5Cfrac%7B11%7D%7B50%7Dx%2B11)
The number of baskets Romy would make after practicing for 80 minutes (x = 80) is:
![y=\frac{11}{50}x+11\\\\y=\frac{11}{50}(80)+11 \\\\y=17.6+11\\\\y=28.6\\\\Therefore\ y\ =\ 28\ baskets](https://tex.z-dn.net/?f=y%3D%5Cfrac%7B11%7D%7B50%7Dx%2B11%5C%5C%5C%5Cy%3D%5Cfrac%7B11%7D%7B50%7D%2880%29%2B11%20%20%5C%5C%5C%5Cy%3D17.6%2B11%5C%5C%5C%5Cy%3D28.6%5C%5C%5C%5CTherefore%5C%20y%5C%20%3D%5C%2028%5C%20baskets)
Answer:
step 3 is wrong
Step-by-step explanation:
i know it because i did the unit test review
Answer:
40
Step-by-step explanation: