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

a total of 8 classes each with 20 students will go on the field trip two chaperones are needed for each class one bus will hold 25 people how many buses will be

The number sentence is an example of which multiplication property? 6x7=(6x5)+(6x2)

Do you think the Logan's troubles with the Wallaces are over

what is 2(10x+3)+2(4c)

Which approach to innovation lays emphasis on the importance of gaining inputs to innovation from external sources? a. Open-source innovation b. Closed innovati

A student studies the same amount of time each day for a test. In 4 days she studied 60 minutes. Which equation shows this relationship Let the number of days.

Ashley uses 1/4 package of raisins for fruit cake. She then uses 1/9 of the remainder for the muffins.What fraction of the package of raisins does she have left

In a low-density cloud, the internal pressure is much too low to support the weight, so the cloud must __________, eventually producing the galaxy s disk.

How to use allele In a sentence

Which statement below BEST summarizes the role of the DNA molecule in cells? A) guides cell division B) protects cells from infection C) provides the instruct