georgettemanga2001
12.07.2021 •
Mathematics
The length of a rectangle is 19 centimeters less than its width. Its area is 20 square centimeters. Find the dimensions of the rectangle. Use the formula, area =length*width.
Solved
Show answers
More tips
- H Health and Medicine How to Choose the Right Tanning Cream?...
- C Computers and Internet How to Download Movies from Torrents?...
- S Style and Beauty How to Sew Harem Pants?...
- C Computers and Internet Е-head: How it Simplifies Life for Users?...
- F Family and Home How to Choose the Best Diapers for Your Baby?...
- 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 14 - 6 in spiral review...
- M Mathematics When you round 6 5/11 what s the nearest whole number...
- M Mathematics The cooking club made some pies to sell at a basketball game to raise money for the new math book. the cafeteria contributed three pies to the sale. each pie was then cut...
- M Mathematics How do you solve for x: 1/3x-5/9=5/6x...
- M Mathematics Write a story problem to represent 1/2 divided by 3...
- M Mathematics The sales tax is 6% and the item is $110.00. how much do i add for sales tax?...
- M Mathematics The surface area of a triangular pyramid is 1836 ft2. if all the faces of the pyramid are congruent, what is the area of one face of this pyramid? a. 306 ft2 b. 459 ft2...
- M Mathematics What percent of 150 is 96? .64% 6.4% 156% 64% find 225% of 3.6. 810 8.1 81 .81 135% of t is 63. t = 46.67 t = 85.05 t = 850.5 t = 4.67 3.5% of m is .105. m = .0368 m = 36.75...
- M Mathematics If i use 24 ft of fencing and try a circular shape for a vegetable area, what will the length of the diameter be?...
- M Mathematics How do i round 5.673839 to the nearest 100th...
Ответ:
width =20
length = 1
Step-by-step explanation:
length = w - 19
A = l*w
20 = (w-19) * w
20 = w^2 - 19w
Subtract 20 from each side
0 = w^2 - 19w - 20
Factor
0 = (w+1)(w-20)
Using the zero product property
w+1 = 0 w-20 = 0
w = -1 w=20
Widths cannot be negative
w=20
l = 20-19 = 1
Ответ:
1). a = 4
2). a + b = 7
3). x1 = -2
4). x2 = 7
Step-by-step explanation:
I just did the assignment on Edge and it's 100% correct... Hope this helps!!
Also heart and rate if you found this answer helpful!!