adrienneross98 adrienneross98
  • 03-11-2014
  • Mathematics
contestada

suppose a varies directly as b, and a=7 when b=2 find b when a =21

Respuesta :

jackattackblunt
jackattackblunt jackattackblunt
  • 03-11-2014
because α varies directley to β
[tex] \alpha = k \beta [/tex]
(k = constant)

α=7 when β=2
7= 2k
k= [tex] \frac{7}{2} [/tex]

so when α=21
21= [tex] \frac{7}{2} [/tex] b
b= 6

Answer Link

Otras preguntas

MATH 100 POINTS!!QUESTION, THE ANSWER IS ''IMPOSSIBLE'' HOWEVER PROVIDE THE PROOF WITH AN EXPLANATION FOR WHY IT IS IMPOSSIBLE. thank you.
(-4,4) if it was reflected across both the x and y-axis
mention five ways by which computer can be misuse or abuse
What is the monomer called if it is lacking a phosphate group?
how did Perseus feel about Medusa? From Chapter 1 Perseus
Which finding would call into question the generally accepted timeline and pattern of evolution? A consistent pattern where older rock layers contain simpler
help would be very appreciated
QUESTION 2 CELLS AS ABASIC UNIT OF LIFE Study the diagram below and answer the question that follows. 2.1. Identify the type of cell illustrated above. 2.2. Pro
what is a what is a cmpwhat is a what is a cmp​
Which of the following is NOT a true statement about birth control? A. Some forms of birth control are less effective for teens. B. It doesn't matter which form