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

Look at the screenshot
A 15-meter by 23-meter garden is divided into two sections. Two sidewalks run along the diagonal of the square section and along the diagonal of the smaller rec
Based on the audio, where will Tomasa travel first? a. Argentina b. Honduras c. Spain d. Venezuela
Drag the events of the civil rights era into chronological order from top to bottom. = Martin Luther King Jr. gave his "I have a Dream" Speech = Heart of Atlant
What is ironic about this excerpt? the ballerina is described as beautiful, but she is actually hideous. the news bulletin being read on the television is about
What the answer rate you 5 star
A mixture of H2 and water vapor is present in a closed vessel at 20. 00°C. The total pressure of the system is 755. 0 mmHg. The partial pressure of the water va
PLEASE HELP PLEASE help
An example of an entrepreneur would be someone who opened up a gourmet popcorn store in the local mall. Please select the best answer from the choices provided
I2 is produced by the reaction of 0.4235 mol of CuCl2 according to the following equation: 2CuCl2+4KI⟶2CuI+4KCl+I2. What volume of I2 gas is produced at STP?