Mathematics
Mathematics, 05.05.2021 20:10, genesisdiaz5123

The perimeter of the rectangle is 80cm. The area is A cm^2. Show that x^2 - 40x + A = 0

​


The perimeter of the rectangle is 80cm. The area is A cm^2.

Show that x^2 - 40x + A = 0​

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 16:00, amylumey2005
Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48
Answers: 3
image
Mathematics, 21.06.2019 16:00, OKgoogle
What is the value of x in the diagram below?
Answers: 2
image
Mathematics, 21.06.2019 17:00, samantha9430
The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a β€œstandard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.
Answers: 1
image
Mathematics, 22.06.2019 00:30, sadcase85
Astrid spent $36 on new shoes. this was $12 less than twice what she spent on a new skirt. part a: which equation would solve for how much she spent on the skirt? part b: solve the equation in the workspace provided below. how much did astrid spend on her skirt?
Answers: 1