saraholivermalcolm saraholivermalcolm

03-07-2020
Mathematics

contestada

4. The sum of two numbers is 28 and their difference is 6. Find each of the numbers

Respuesta :

gilbertazavedo72 gilbertazavedo72

03-07-2020

Answer: 11, 17

Step-by-step explanation:

x + y = 28.........(1)

x = 28-y

x - y = 6..... . (2)

Substituting in (2)

28-y - y = 6

28 - 2y = 6

28-6 = 2y

y = 22/2 = 11

x = 28-y

x = 28 - 11 = 17

Answer Link

Otras preguntas

21. Amanda invests $5,000 in a CD at an annual interest rate of 2%. What will her investment be worth at the end of three years?

Pls explain pls this will help alot

Solve the equation. 20 = y + 8

An act of courage might result in social difficulties. To sustain your convictions in the face of adversity or an unsupportive organization, you should practice

–10 times the first equation and 3 times the second equation 10 times the first equation and 3 times the second equation –3 times the first equation and 5 times

Efectuar (poner también el residuo, por favor) 999.636,25÷462 879.896÷583 6.789.402÷987

processed foods have been linked to many serious helth issues...what is worng with the sentence? A) The sentence displays bias.B) The sentence contains a typo.C

Michael earns $173.60 for 14 hours. Elena's hourly rate is $0.80 more per hour than Michael's. How much money will Elena earn for working 17 hours? Pls help no

Please help I have no idea what I’m doing

What is the area of this polygon? A = 400 cm² A = 338 cm² A = 316 cm² A = 238 cm²