timbermaraTyd timbermaraTyd

10-05-2017
Mathematics

contestada

If y varies inversely as x and y = 3 when x = 5, find x when y = 2.5

Respuesta :

10-05-2017

y = k/x
k = xy

y = 3 when x = 5

k = 3*5
k = 15

y = 15/x or x = 15/y

find x when y = 2.5
x = 15/y
x = 15/2.5
x = 6 (ANSWER)

Answer Link

Otras preguntas

Which of the following will lead to speciation? A. Variation in gene pool B. Lack of mutations C. Absence of natural selection

Help Me Please its math >.< 1. What is the solution to the system of equations? 4x + y = 2 x - y = 3 ( , ) 2. What is the solution to the system of

what is the acceleration of 2kg acted on by a force of 2n

sara can type 90 words in 4 minutes.About how many words would you expect her to type in 10 minutes?

ow did trade with Arabs affect the development of African kingdoms? A. It contributed to the creation of an agricultural class. B. It led to the decline of city

what is the remainder when 2x^3+3x^2+x+1 is divided by x+3

10 is 40% of what number?

1. In a compound, chemical energy is contained in the (1 point) a. nuclei of the atoms. b. unbonded electrons. c. bonds. d. movement of the electrons. 2. W

This is an Algebra Two Honors question: A jeweler has 12 grams of an 80% gold alloy that she wants to strengthen to 92.5%. Write the rational function, P(x), wh

3x^4-6x^3-32x^2+35x-12=0