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

what type of fractions are the following A) 1/3 A) Improper B) mixed C)wholeB) 5 1/6C) 6/5answer A B C with the three multiple choice answers.

what type of fractions are the following A) 1/3 A) Improper B) mixed C)wholeB) 5 1/6C) 6/5answer A B C with the three multiple choice answers.

what are some reasons for limiting authority

A bottle rocket that was made in science class had a trajectory path that followed the quadratic equation y=-x^2+4x+6. What is the turning point of the rocket's

how many books did Harriet beecher stowe write?

Which of the following is equivalent to 3a + 4b – (–6a – 3b) ? A. 16ab B. –3a + b C. –3a + 7b D. 9a + b E. 9a + 7b

Identify the turning point of the function f(x)=x^2-2x+8 by writing its equation in vertex form. Show work

How many heart chambers does a shark have?

Which of the following categories includes the most distantly related organisms? (A) family (B) species (C) class (D) genus (E) order

A mouse population starts with 2,000 mice and grows at a rate of 5% per year. The number of mice after t years can be modeled by the equation, P(t)=2000(1.05)^t