slayysnowflake slayysnowflake

10-01-2017
Mathematics

contestada

The larger of two numbers is 5 more than twice the smaller. If the smaller is subtracted from the larger, the result is 12. What are the two numbers ?

Respuesta :

Apocrophon Apocrophon

10-01-2017

[tex] A = 2a + 5 \\
A - a = 12 [/tex]

Plug the first equation into the second;
[tex] (2a+5) - a=12\\
2a-a+5=12\\
a+5=12\\
a=7[/tex]

Plug a into one of the equations;
[tex] A-a=12\\
A-(7)=12\\
A=19 [/tex]

So A = 19 and a = 7

Answer Link

Otras preguntas

The story of soldiers in battle who did not feel painful wounds until the stress was over describes a damping of pain sensations known as

Evaluate. 90 • 4 – 14 ÷ 2 + 102 ÷ 5 • 2

Which was a result of the Iran Hostage Crisis? The United States became allies with Iran The United States declared war on Iran Jimmy Carter lost the 1980 Presi

What is the connection between chlorophyll and chloroplasts

the runways at the local airport are sketched in the figure classify 1 and 2 as cute obtuse right or straight

Deficiencies of brush border enzymes in the small intestine would not affect the complete digestion of __________.

A road crew must repave a road that is 2/5 miles long. They can repave 1/30 miles each hour. How long will it take the crew to repave the road?

Transgenic anumals are produced by

Robert can complete 10 inspections in 8 hours. Which represents the unit rate for the number of inspections he completes per hour? a 0.8 of an inspection in 1 h

Two consecutive integers have sum of 137