Alexander completed 40% of a 50 question assignment. how many questuons did she complete?

20 questions

Step-by-step explanation:

We are given that Alexander completed 40% of a 50 question assignment and we are to find the number of questions she completed.

To find that, we will calculate 40 percent of 50 questions.

Number of questions Alexander completed = ×

Number of questions completed = × = 20

Therefore, Alexander completed a total of 20 questions out of 50.

the answer to your question a or b but i am pretty sure it is b. i hope this : )

step-by-step explanation:

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,