tee0609
tee0609 tee0609
  • 16-01-2022
  • Mathematics
contestada

y is directly proportional to x 2 . If y = 112 when x = 4 find y when x = 9

Respuesta :

fieryanswererft
fieryanswererft fieryanswererft
  • 16-01-2022

Answer:

y = 567

Step-by-step explanation:

y = x^2

y = kx^2 ........k is constant

112 = k * 4^2

k = 112/ 4^2

k = 7

so,

y = x^2

if x = 9

then,

y = 7 * 9^2

y = 567

Answer Link

Otras preguntas

which expression is equivalent to (2-5i)(1+3i)-(10-4i)
Please help I will reward brainly! Need done ASAP
N+5 over n divided by n squared subtract 25 over 8n squared
Your state charges 5% sales tax on nonfood items. You're buying a light bulb for $3.00, cereal for $2.50, and an orange for $.50. What will be the grand total o
James Watt played an important role in the Industrial Revolution by
Translate these sentences into Spanish. Many Points :) The homes in Cuba are small. The home doesn’t have a garage. The home has little rooms. My home is big. M
why do sate tourism departments spend money on advertising
Our brain seeks to automate much of what we do to save us time and brain energy using subconscious processes.
Explain in at least 125 words the difference between informal and formal speech
Which sentence contains a preposition? (A) I read a book about the patriot crisps attucks. (B) he and other colonists had gathered. (C) British soldiers attac