999supergirl
12.01.2020 •
Mathematics
Bethany is training for a marathon. her average mile time is 730 but this varies by at most 31 seconds, give or take. write an equation that would her find her fastest and slowest time.
Solved
Show answers
More tips
- F Food and Cooking The Health Benefits of Flaxseed oil...
- S Style and Beauty Why is Sugaring Better than Waxing for Hair Removal?...
- W Work and Career Where can you learn to be a flight attendant?...
- G Goods and services How to Properly Calculate the Power of Your Air Conditioner?...
- F Food and Cooking Effective Methods to Organize Videos in your iPad According to Content...
- F Family and Home Parquet or laminate, which is better?...
- L Leisure and Entertainment How to Properly Wind Fishing Line onto a Reel?...
- L Leisure and Entertainment How to Make a Paper Boat in Simple Steps...
- T Travel and tourism Maldives Adventures: What is the Best Season to Visit the Luxurious Beaches?...
- H Health and Medicine Kinesiology: What is it and How Does it Work?...
Answers on questions: Mathematics
- M Mathematics What is the graph of the rational function? y=-3x+5/-5x+2...
- M Mathematics During the day, sam spent $4.85 on lunch. he also bought two books for $7.95 each at the end of the day he had $8.20 left.how much money did he start with?...
- M Mathematics Q1.write as a single fraction in its simplest form. [tex] \frac{3}{2x - 1} - \frac{1}{x + 2} [/tex]q2. for her holiday, alyssa changed 2800 malaysian ringgits(myr) to us($)...
- M Mathematics Finding the domain and range of a graph determine the domain and range for the graph below. write your answer in interval notation and in set builder form using a compound inequality....
- M Mathematics Out of a large shipment of fuses received from a new supplier, a manufacturer selects and tests 100 fuses. On the basis of the test, the manufacturer decides to accept this...
- H History What are some reasons that hamilton feels the judiciary should be able to interpret laws...
- E English Many people believe that increasing automation in industries such as construction, healthcare, and agriculture will cause major upheavals in society unless people learn to adapt...
Ответ:
S (her slowest time) =730 +31
Ответ:
3x+12
Step-by-step explanation:
-0.5x*2+4x+12
Multiply 0.5x*2=x
= -x+4x+12
Add similar elements -x+4x+12
= 3x+12