Fishdish2006
Fishdish2006 Fishdish2006
  • 06-10-2021
  • Mathematics
contestada

x is directly proportional to y. When y = 7, x = 28. Write and equation of x in terms of y. Find x when y = 15.

Respuesta :

Аноним Аноним
  • 06-10-2021

Answer:

60

Step-by-step explanation:

28 : 7 : : x : 15

28 / 7 = x / 15

4 = x / 15

x = 4 * 15

x = 60

Answer Link
ronniemath
ronniemath ronniemath
  • 06-10-2021
x = ky— directly proportional

28 = 7k

4 = k

so x = 4y

plug in y and you get x = 4(15) = 60

Therefore, x = 60 when y = 15
Answer Link

Otras preguntas

Organisms in the same family are less closely related than organisms in the same order. True O False
The unit suggests that one of the best ways to become even more adept at writing conversation is to be an avid observer. Brainstorm and describe a few prime pla
What region of Africa is dominated by Islam, pyramids, Sahara Desert? Group of answer choices: Sub-Saharan Africa Central Africa North Africa The Horn of Afric
First answer gets brainliest. You do not need to do the graphing or the shading, just pls tell me the inequalities
Write 5 sentences about any creature, real or imaginary
QUIZ 3: GOLDEN YEARS TO BOHR MODEL quizleConsider the two electron arrangements for neutral atoms A and B. What is the atomic number of A
A-8 B-16 C-12 Please help guys.
Example of personification?
- Describe another scenario in which you would use a ratio.
Please help me out, i need to make up this last credit so i can graduate T-T. Which compound inequality is graphed on the number line?
good job