dlatricewilcoxp0tsdw
22.10.2020 •
Mathematics
A test is worth 50 points. Multiple-choice questions are worth 1 point, and
short-answer questions are worth 3 points. If the test has 20 questions, how
many multiple-choice questions are there?
A. m + s = 50
B. m + 2s = 20
C. m.s= 20
D. m + s = 20
Solved
Show answers
More tips
- A Art and Culture Who Said The Less We Love a Woman, the More She Likes Us ?...
- F Family and Home Parents or Environment: Who Has the Most Influence on a Child s Upbringing?...
- H Health and Medicine Is it true that working with a computer is harmful to your eyesight?...
- H Health and Medicine Boosting Immunity: A Complete Guide on How to Improve Your Body’s Natural Defenses...
- P Philosophy Unidentified Flying Object - What is the Nature of this Phenomenon?...
- C Computers and Internet How to Teach Older Generations to Work with Computers?...
- G Goods and services How to Choose a Coffee Maker? The Ultimate Guide for Coffee Lovers...
- C Computers and Internet Porn Banner: What It Is and How to Get Rid Of It?...
- F Food and Cooking How many stages of coffee roasting are there?...
- F Food and Cooking From Latte to Espresso: Which Coffee Drink is the Most Popular on Earth?...
Answers on questions: Mathematics
- M Mathematics Please help me with this....
- M Mathematics Write an equation of the line containing the given point and perpendicular to the given line. Express your answer in the form y=mx+b. (5.6), 8x +y =4 The equation...
- M Mathematics Anyone wanna join to my z o om ? (I m 13 and a girl-) id- 799 4610 0692 pass- J8DRyC...
- M Mathematics 500 x 30. K i know i said my last question was my last but it seems like when im offline all the easy and good questions come up but when im online im seeing x+...
- E English In “Cub Pilot on the Mississippi,” what does Twain say his friend George Ritchie liked to do? a. play tricks on Brown b. eat meals with Brown c. tease Twain about...
Ответ:
d) m + s = 20
m = 5
Step-by-step explanation:
m + 3s = 50
m + s = 20
m + 3(20-m) = 50
m + 60 - 3m = 50
60 - 2m = 50
60 = 50 + 2m
60 - 50 = 2m
10 = 2m
5 = m
Ответ: