justin20080
25.11.2020 •
Mathematics
a circular table top has a diameter of 1.4m. when all the surfaces of the table top,except the underside have been painted a total area of 3.19m squered is covered with paint. calculate the thickness of the table top
Solved
Show answers
More tips
- C Computers and Internet How to Learn to Type Fast?...
- F Food and Cooking Delight for Gourmets: How to Prepare Liver Pate...
- S Style and Beauty How to braid friendship bracelets?...
- H Health and Medicine Mercury Thermometer Danger: What to do when a thermometer breaks?...
- F Food and Cooking Which Calamari Salad is the Most Delicious?...
- S Society and Politics 10 Tips for Boosting Your Self-Esteem...
- F Food and Cooking The Most Delicious and Simple Fish in Batter Recipe...
- H Health and Medicine What is Autism? Understanding the Basics of This Neurodevelopmental Disorder...
- P Philosophy How to Develop Extrasensory Abilities?...
- S Style and Beauty Don t Sacrifice Your Brows: How to Properly Pluck Stubborn Hairs...
Answers on questions: Mathematics
- M Mathematics Which equation could be used to solve the problem? the jensens drove 400 miles in 8 hours. how many miles per hour did they drive (m)? a. m = 400 miles • 8 hours b. m = 400 miles...
- E English At what point in the story does the reader get a clear idea of who the characters are becoming? (1 poi when the problem is resolved when a new character is introduced when the author...
- B Biology On chromosome 3 of corn, there is a dominant geneA1 which together with dominant gene A2 on chromosome 9 produces aleurone. All other genetic combinations produced colourless aleurone....
- B Biology Aplant has a unique photosynthetic pigment. the leaves of this plant appear to be reddish yellow. what wavelengths of visible light are being absorbed by this pigment?...
- H History An essay of the life of a knight in the middle ages...
Ответ:
So, for x^2 + x + 2 = 0, a = 1, b = 1, and c = 2, therefore
b^2 - 4ac = 1^2 - 4(1)(2) = 1 - 8 = - 7.
- 7