xdsa957 xdsa957
  • 08-12-2020
  • Mathematics
contestada

suppose y varies directy as x if x = 15 when y = 12 find x when y = 21

Respuesta :

ilmaimsirovicea
ilmaimsirovicea ilmaimsirovicea
  • 08-12-2020

Answer:

26.25

Step-by-step explanation:

y=12

x=15

y=kx 12=k×15 k=12/15=4/5=0.8

21=0.8×x

21/0.8=26.25

Answer Link

Otras preguntas

Question / Zach has 3 pairs of shoes, 8 shirts, and 5 pairs of jeans. He believes that there are 16 distinct outfits he can wear each consisting of a pair of sh
PLZZZZ HELP ASAP ASAP ASAP​
If f(x) = 2x, then f-1(x) = 1.-2x 2.1/2x 3.x-2
Learner ID: 6. Explain the reason behind adding borders to cells in a spreadsheet.​
The price of a home is $120,000. The bank requires a 10% down payment and two points at the time of closing. The cost of the home is financed wit a 30-year fixe
On January 2, 2022, McClelland Company purchased a machine and signed a noninterest-bearing note in payment. The note matures in 4 years and requires McClelland
Which shows one way the equation can be represented in words? StartFraction 5 over 8 EndFraction z (negative 2. 5) = 2. 5 Five-eighths of a number is equal to t
hi how is everyone and I need help whats 2(5x-2)+21=2 who gets it right will get brainlist
please please, help. Ill give you brainliest five stars and a thank you
Which of the following shows that polynomials are closed under subtraction when two polynomials, (5x2 2x − 6) − (3x2 − 6x 2), are subtracted? 2x2 − 4x − 4; will