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

Judd worked 40 hours this week. He worked 7/10 of the hours outside and the rest inside. How many hours did he work outside? 35 28 12 8
What is the least number that has 4 odd factors that are all the same? Each factor is greater than 1 and can have only 1 itself as factors
I need the answer to this question quick..
Which is an accurate definition of humanism? A. the Renaissance idea of portraying humans as lifelike figures B. a literary movement that stressed the importanc
Find the missing side of the triangle the base of the triangle is 3 and 1/4 and the area is 12 and 2/5 find the missing side SHOW WORK
When a potassium atom forms an ion, it loses one electron. What is the electrical charge of the potassium ion? A. -1 B. -2 C. +2 D. +1
During a catered lunch, an average of 4 cups of tea are poured per minute. The lunch will last 2 hours. How many gallons of tea should the caterer bring if ther
What is the value of the slope of the graph of distance versus time, and what does the slope represent?
Explain how nicknames became surnames.
Which statement best defines ekphrastic poetry? A) Ekphrastic poetry recalls biographical details of famous painters. B) Ekphrastic poetry offers rhyming critic