19mjjenkins 19mjjenkins

04-09-2015
Mathematics

contestada

For what value of a is a(2x+3)=9x+15+x an identity?

Respuesta :

konrad509 konrad509

04-09-2015

[tex]a(2x+3)=9x+15+x\\ 2ax+3a=10x+15\\\\ 2a=10 \wedge 3a=15\\ a=5 \wedge a=5\\\\ \boxed{a=5} [/tex]

Answer Link

Otras preguntas

30 pts pls help 11. Solve the system of linear equations below. 4x - 3y = 17 5x + 4y = 60 A. x = 2, y = -3 B. x = 5, y = 8 C. x = 8, y

Believe in justice and hold a determination to fist. What does this line means?

Which of the following does NOT help increase conversion of short-term to long-term memories? memory consolidation your emotional state association rehearsal

A charged particle that is moving in a static uniform magnetic fieldA) may experience a magnetic foce, but its speed will not changeB) may experience a magnetic

How do I solve questions 1,2 and 6?

How do identical twins form? A. A fertilized egg splits in two. B. Two eggs are fertilized by one sperm. c. Two eggs are fertilized by two sperm. D. Two sperm f

2. Provide an appropriate response. Find f"(x) for f(x) = 4x - 6. A. f''(x) = 4 B. f''(x)=4/x C. f''(x)=4x^3 - 6x^2 D.f''(x) = 0

Where is the bill of rights found in the constitution?

The graph of the equation below is a circle. What is the length of the radius ofthe circle?(x + 5)2 + (y + 7)2 = 212O A. 441O B. 42O C. 10.5O D. 21

The Turning-Point Of My Life from What Is Man? And Other Stories by Mark Twain (extract) Now what interests me, as regards these details, is not the details t