riosluisa118 riosluisa118

24-07-2021
Mathematics

contestada

The sum of two numbers is 10. Five times the first number plus three times the second number is 36

Respuesta :

mhanifa mhanifa

24-07-2021

Answer:

3 and 7

Step-by-step explanation:

a + b = 10
5a + 3b = 36

5 times the first equation minus the second one:

5(a + b) - 5a - 3b = 5(10) - 36
2b = 14
b = 7

Find a:

a + 7 = 10
a = 3

Answer Link

Otras preguntas

graph the line passing through (-1,-5) whose slope is m= 1/5

In ΔFGH, h = 980 inches, ∠H=114° and ∠F=48°. Find the length of f, to the nearest 10th of an inch.

Which statement is true for evaluating visual material?

Which description means the same as this limit expression? lim f(x)=∞

You stand at a cliff wondering if it would be better to jump or turn and face the wild dogs. You decide to turn and face the wild dogs, hoping it gives you a ch

What is the resource for friends and family of alcoholics? O Family Alcohol Assistance Al-Anon or Alateen Help for alcaholics OF.A.

Write a sentence using a gerund phrase with a pronoun object.

Every day going to school, June has to go by boat (point A) over a 217m-wide river to point B (the other bank), and then from B walk to school at point D with d

Need help ASAP!!!!! 10 PTS Jennifer is negotiating with a local utility for a new power plant in her city. The utility company is committed to fossil fuels nut

2 Points What was Abraham Lincoln talking about in his "A House Divided" speech? A. Concern over an inevitable conflict between the North and South OBD B. Disgu