Several science students used the same design when constructing a bridge out of balsa wood. they each tested the bridge’s weight capacity using cups filled with sand. the weight capacities were recorded, and the results follow a normal distribution curve. the mean of the weights is 19.6 lb with a standard deviation of 1.3 lb. which weight is greater than 70% of the data

p ÷ r = tan(x)

step-by-step explanation:

given that there is a figure below shows a right triangle: a right triangle is shown with hypotenuse equal to q units and the length of the legs equal to p units and r units.

graph is missing so i will create the graph as per given information.

the angle between the legs having lengths p units and q units is y degrees. the angle between the legs having lengths r units and q units is x degrees.

now we need to find about what is p ÷ r equal to.

so we can use trigonometric ratio tan(x)=[altitude]/[base] to find the value of p ÷ r, because p is the altitude and r is the base.

p ÷ r=tan(x)

hence final answer is p ÷ r=tan(x).

the answer is d

step-by-step explanation: