dayb4203
dayb4203
01-03-2018
Mathematics
contestada
If a+b=5 and a-b=3 find the value of a^2-b^2
Respuesta :
googlegoogle2
googlegoogle2
01-03-2018
A = 4. B = 1. The b’s cancel each other out. Then you have 2a = 8. Divide 8 by 2 and get 4. That’s a=4. Then put a back into either problem. So 4+_=5. B=1. 16-1=15. 15 is the answer
Answer Link
VER TODAS LAS RESPUESTAS ( 83+ )
Otras preguntas
which seismic wave moves through earth at the fastest speed?
Can somoene help me with this question??How might the history of the U.S. have been different if the original thirteen states had been guaranteed a perpetual ma
The length of a diagonal of a cube with edge length 25cm
How do scientists use seismic waves to determine the interior structure of Earth?
Alicia estimates that the surface area of a rectangular prism with a length of 11 meters,a width of 5.6 meters,and a height of 7.2 meters is about 334 cubic met
Find the value of x. Round to nearest hundredth if necessary.
Can somoene help me with this question??How might the history of the U.S. have been different if the original thirteen states had been guaranteed a perpetual ma
Which of the following statements is true concerning LUCA? (1) LUCA was a cell. (2) All life on Earth evolved from LUCA. (3) LUCA probably existed probably arou
Natalie earns $2.50 for each cd she sells and $3.50 for each dvd she sells. Natalie sold 45 dvds last year. She earned a total of $780 last year selling cds a
How many atoms are in 0.750 moles of zinc?
