johniyabrown26
johniyabrown26 johniyabrown26
  • 01-02-2019
  • Mathematics
contestada

If a + b = 28 and a - b = 10, then b =?

Respuesta :

frostwhisker309 frostwhisker309
  • 03-02-2019

Answer:

b=9

Step-by-step explanation:


Answer Link

Otras preguntas

your best friend has just been suspended from school for truancy write a letter to him or her expressing your displeasure and advising him or her to turn a new
Laser printer use a special powdered ink called?
PLS HELP ME ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER!! Find the interquartile range of the data set that consists of 10, 10, 8, 4,
look at the image below for the question !!!!!!
Anneka is preparing a meal of fish and vegetables for her parents and siblings at home. To make sure she is safely handling and preparing the food, she shouldA.
8. PLEASE HELPP!! Find the area of the shaded sector. Leave your answer in terms of .
describe the importance of socialization​
Wendy had been searching the internet for a great deal on jewelry. While looking at one site, a pop-up was displayed that told her she had just been chosen as t
Un ingeniero civil a cargo de una obra contrata una cierta cantidad de obreros. Estima que, si le pagara S/ 1.400 a cada uno de los obreros, le faltarían S/ 8.0
Which person is demonstrating a positive attitude? A. Yasmin decides she can help Will, a junior nurse with very little experience, to be an effective team mem