Cjdjejfjiv6922 Cjdjejfjiv6922

21-01-2018
Mathematics

contestada

What two numbers have a sum of 48 and a difference of 13?

Respuesta :

aryanhassija24 aryanhassija24

21-01-2018

a + b = 48

a - b = 13

Add Both Equations Together:

2a = 61

a = 30.5

so then b is = 17.5

Answer Link

Otras preguntas

Lisa tapes three 7- inch by 9-inch pieces of construction paper together to make a happy birthday sign For her mom she uses a piece of ribbon that is 1

In any redox reaction, the substance that undergoes reduction will (1) lose electrons and have a decrease in oxidation number (2) lose electrons and have an inc

A liter bottle of water has a mass of about how many kilograms?

230 + 230 + 230 + 230 = a. 8120 b. 830 c. 232 d. 230 e. 226

In which order did this sequence of events from Texas history occur? 1. Texas became the 28th state in the United States. 2. People from the United States settl

Lithium and potassium have similar chemical properties because the atoms of both elements have the same (1) mass number (2) atomic number (3) number of electron

solving systems of equations by substitution y=9×-9 y=9

The light emitted from a flame is produced when electrons in an excited state (1) absorb energy as they move to lower energy states (2) absorb energy as they mo

What happened to Greek democratic practices when Philip of Macedonia conquered Greece

Find the greatest common factor of the pair of numbers. 198 and 330