![ashiteru123](/avatars/40207.jpg)
ashiteru123
06.05.2020 •
Mathematics
Find the 54th term of the arithmetic sequence -2, -8, -14, ...−2,−8,−14,...
Solved
Show answers
More tips
- C Computers and Internet How to Format Your C Drive: Detailed Guide and Tips...
- F Food and Cooking How to Properly Cook Buckwheat?...
- F Food and Cooking How Many Grams Are In a Tablespoon?...
- L Leisure and Entertainment Carving: History and Techniques for Creating Vegetable and Fruit Decorations...
- P Photography and Videography How to Choose the Perfect Photo Paper for Your Images?...
- H Health and Medicine What vaccines do children need?...
- H Health and Medicine Reasons for the Appearance of Warts: Everything You Need to Know...
- A Art and Culture How to Learn Screaming: Step-by-Step Guide for Beginners...
- H Health and Medicine Contraceptive Pills After 35: The Importance Of Choosing The Right Medication...
- C Computers and Internet How to Choose a Monitor?...
Answers on questions: Mathematics
- M Mathematics About 50 cane toads were introduced into Australia in 1935 to try to control the population of beetles that destroy sugar cane plants. By 2005, there were an estimated...
- M Mathematics During the fall you charge $8 to go to a house and rake leaves and an additional $6 for every hour you take the yard. If you earned $32, how many hours did you spend...
- M Mathematics Help please! Due today Solve: |x|-7 15...
- E English What evidence in The Storyteller. best highlights the flaws in the aunt in order to create satire? Select three options. “An aunt belonging to the children occupied...
- P Physics A parallel plate capacitor has plates each of size 2 × 2 cm seperated at a distance of 2mm from each other. Find its capacitance if thick mica plate of dielectric...
- M Mathematics wqrtytir7ue6y5tarwe ewtrye5uyw5tqrweRT45Y...
- E English The skills needed to write and present quality papers can be used in the workplace. Please select the best answer from the choices provided T F...
Ответ:
Answer
5 and -4
Explanation
If the two triangle are congruent then they have the same area.
20 = x² - x
x² - x - 20 = 0
x² - x + (1/2)² = 20 + (1/2)²
(x - 1/2)² = 20.25
x - 1/2 = √20.25
x - 1/2 = 4.5 or x - 1/2 = - 4.5
x = 4 1/2 + 1/2 x = -4 1/2 + 1/2
= 5 = -4
The values of x are 5 and -4.