![shelly30](/avatars/48027.jpg)
shelly30
04.01.2020 •
Mathematics
Will give brainliest and five stars if correct answer for both
Solved
Show answers
More tips
- H Health and Medicine How to Treat Styes: Causes, Symptoms, and Home Remedies...
- 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?...
Answers on questions: Mathematics
- M Mathematics X+ =4+2y=5 solve this...
- B Biology Fill in the blanks a) The force exerted by magnet in the magnetic substance is called.b) Magnetite is a magnet.c) The magnetic properties of magnet never fades.d) Magnetic...
- H History Davonte has $150.00 to spend at the mall. He decides to buy a pair of New Balance sneakers instead of saving the money in his bank account....
- M Mathematics Which of the following equations can be used to find the missing angle, x, in the triangle below?...
- M Mathematics 7) 3b +4 + 1 - 76 can you solve and simplify this question?...
Ответ:
Last term of our sum is 110, so answers C) and D) (infinite sums) are incorrect.
Now we can calculate first term (for n = 0) in A) and B):
A)
B)
First term is -10 so B) is correct.
2)
We have:
+ 8 - 40 + 200 - 1000 + ... (different signs)
so there will be
Calculate first term:
A)
B)
Answer B)
Ответ: