Answer:
Short-response question = 20.
Step-by-step explanation:
Let x be number of short response questions and y be the number of essay questions.
We have been given that there are 22 questions that are worth 100 points in total. Each short-response question is worth 4 points, and each essay question is worth 10 points. Using our given information we can form a system of equations as:
Now we will solve our system of equations using substitution method.
From equation 1 we will get,
Upon substituting
in equation 2 we will get,




Therefore, there are 20 short-response questions on the exam.
Answer:
C
Step-by-step explanation:
Figure out how many degrees the temperature changed from midnight to noon.
-12 to 28 is 40.
So the temperature change was 40 degrees F from midnight to noon
Answer:
where is the picture
Step-by-step explanation:
Step-by-step explanation:
x² = 50²+ 55² - 2 • 50 • 55 • cos61°