1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
SSSSS [86.1K]
3 years ago
7

4 books for 1$12.00 3 books for $9.00 What is the price per book? What is the constant of proportionality

Mathematics
1 answer:
Valentin [98]3 years ago
6 0

Answer:

the price per book is $3 the constant of proportionality is 3

Step-by-step explanation:

12 divided by 4 is 3 and 9 divided by 3 is 3 so it means that the price for 1 book is going to be 3 and for every book you buy the original value will be 3.

You might be interested in
Which equation shown below represents the equation of the inverse of the quadratic function shown below?
algol13
Is (x-2)/3 -3 a choice?
6 0
3 years ago
Read 2 more answers
Help me!<br> solve for w
Ket [755]

Answer:

w = 5 , w = -5

Step-by-step explanation:

w^2 = 25

Take the square root of  each side

sqrt(w^2) = ± sqrt(25)

w = ±5

6 0
3 years ago
Read 2 more answers
Alex is 22 years older than Lana. Four years ago Lana’s age was one-half of Alex’s current age. How old was Alex four years ago?
katen-ka-za [31]

Answer:

33

Step-by-step explanation

22 divided by 2 is 11

it says four years ago so add 11 and 4 and that equals 15

she is 15 right now. then add 22 which is 37 and subtract 4 which your answer would be 33

7 0
3 years ago
Read 2 more answers
Can someone please help me I really need help desperately :(
motikmotik

Answer:

C

Step-by-step explanation:

7.5/1.5 = 12/t

4 0
3 years ago
Please help me with this question!
IrinaVladis [17]
You could do 4^5 or 1024
6 0
3 years ago
Read 2 more answers
Other questions:
  • Which pair of triangles can be proven congruent by the HL theorem
    6·2 answers
  • Solve -18+x=-3<br>A. -15<br>B. 15<br>C. 21<br>D. -21<br>I need the answer​
    5·2 answers
  • 0.00065 in Standard form
    11·2 answers
  • What is a good estimate for the solution to the equation x3 = 95 how do you come up with your estimate
    6·1 answer
  • Hello i need help plz
    12·1 answer
  • Mark is going to an awards dinner and wants to dress appropriately. He has one blue dress shirt, one white dress shirt, one blac
    6·1 answer
  • This is algebra 1 please find the answer to this problem.
    9·1 answer
  • HELP PLZ
    10·1 answer
  • 3 times the sum of twice k and 8
    9·1 answer
  • If the rate of inflation is 3.9% per year, the future price p(t) (in dollars) of a certain item can be modeled by the following
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!