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 ( 35+ )
Otras preguntas
what do you know about cells
How would you do these questions?
Answers: A)116 degrees B)54 degrees C)62 degrees D)25 degrees
Read this excerpt from White Fang by Jack London. Such was the lesson that was quickly borne in upon him. It came hard, going as it did, counter to much that wa
How would reducing the amount of crops grown affect the mechanization of agriculture during the 1930s?
What did people think about the Native American who spoke English
Draw a tape diagram that can be used to solve this problem: Elena has 25.5 ounces of juice. She pours equal amounts for each of her 3 friends, and then she pour
Ancient Mesopotamia Ancient Egypt
A number X is more than -6 and at most eight
Which lists three parts of sunlight that make up some of the visible spectrum?
