![ellie4678](/avatars/21857.jpg)
ellie4678
25.09.2019 •
Mathematics
The social studies teacher is giving a test worth 80 points, and containing 34 questions. there are 2 point and 4 point questions on the test. how many of each type of question are on the test? show your work. a. list the two equations b. find each type of question
Solved
Show answers
More tips
- A Animals and plants How ants survive winter: exploring the secrets of their winter life...
- F Food and Cooking Discover How to Properly Prepare Dough for Rasstegai...
- P Philosophy Unidentified Flying Object - What is the Nature of this Phenomenon?...
- F Family and Home Protect Your Home or Apartment from Pesky Ants...
- O Other What is a Disk Emulsifier and How Does it Work?...
- F Family and Home What does a newborn need?...
- F Family and Home Choosing the Right Car Seat for Your Child: Tips and Recommendations...
- F Food and Cooking How to Get Reconfirmation of Registration?...
- C Computers and Internet How to Get Rid of Spam in ICQ?...
- A Art and Culture Who Said The Less We Love a Woman, the More She Likes Us ?...
Answers on questions: Mathematics
- M Mathematics What is the smallest positive composite number that does not have any prime factors less than 20?...
- M Mathematics I really need help please...
- M Mathematics An electrician charges $15 plus $11 per hour. Another electrician charges $10 plus $15 per hour. Which of the systems of equations below correctly represents this situation if x...
- M Mathematics A sports team with 17 members is planning an end-of-season awards banquet. It costs $6 for each meal. To find the total cost of the meals, the team uses the expression 6(g+17), where...
- M Mathematics Can someone please help! Graph the line for y+2=3/2(x+4) on the coordinate plane....
- M Mathematics What is the total price of a $24 restaurant tab if you leave a 20% tip?...
- M Mathematics A radio telescope has a parabolic dish. Radio signals are collected at the focal point (focus) of the parabola. The distance from the vertex of the parabolic dish to the focus is...
- M Mathematics THIS IS A TEST WHATS 9+10...
- M Mathematics Brittany found a skirt on sale. The price tag says $38 with 25% off. How much will she pay for the skirt?...
- M Mathematics Find the rate of change 1foot 2inches (14inches) 8inches 1foot 2inches (14inches) 8inches 1foot 1inch (13inches) 7.5inches 1foot 5inches (17inches) 8inches 1foot 6inches (18inches)...
Ответ:
y is 4 pt questions
x+y=34
2x+4y=80
Multiply the top equation by -2 to use elimination technique
-2x-2y=-68
Then combine the two equations (x is cancelled out)
2y=12
y=6
If there are 6 four point questions, there must be 28 two point questions to get a total of 34 questions.
Ответ: