![astigall4272](/avatars/361.jpg)
astigall4272
26.01.2021 •
Mathematics
REPOST HELP PLEASEEE
I KNOW THIS ISNT MATH BUT NO ONE IS SEEING IT
Solved
Show answers
More tips
- C Computers and Internet How to Properly Repartition a Hard Drive?...
- A Auto and Moto What Is the Cost of Customs Clearance for a Car in Russia?...
- L Leisure and Entertainment Should You Buy a Ceramic Knife?...
- C Computers and Internet How to easily and quickly disable Firebug in Gmail and Google Docs...
- G Goods and services How to sew a ribbon: Tips for beginners...
- F Food and Cooking How to Make Mayonnaise at Home? Secrets of Homemade Mayonnaise...
- C Computers and Internet Which Phone is Best for Internet Surfing?...
- F Food and Cooking Everything You Need to Know About Pasta...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
Answers on questions: Mathematics
- M Mathematics Which shape does NOT have rotational symmetry? A B C D...
- M Mathematics In ABC, if m find the measure of each angle....
- M Mathematics Brainliest answer to whoever verifies this correctly!!...
- M Mathematics P− 3 1/6 = −2 1/2 P= what does p equal ?...
- M Mathematics Stefan sells Jin a bicycle for $127 and a helmet for $16 . The total cost for Jin is 130 % of what Stefan spent originally to buy the bike and helmet. How much...
- M Mathematics Find the missing values in the ratio table. Then write the equivalent ratios. Gnats {2 14 ( ) 5} Flies { 8 ( ) 28 ( )}...
- M Mathematics AB = 3x + 5, AC = 9x - 13 Solve for x . I’ll give brainliest to the first person who answers:)...
- M Mathematics A veterinarian recorded a cat s resting heart rate to be 105 beats over a 45-second time period. Complete the table to find the number of heartbeats in different...
- M Mathematics 6. Which equation or inequality represents the following description? & Multiply the quantity 2 more than a number by 8. The result is at least 12 times the...
- M Mathematics Find all the factor pairs for 84 and complete the equations. 84 = X 84 84 = 2 x 84 = 3 x 84 = 4 x 84 = 6 x 84 = X 12...
Ответ:
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.