05-01-2015
Mathematics

Answered

the variables x and y are directly proportional, and y=2 when x=3. What is the value of y when x=9?

Answer :

catherine000 catherine000

05-01-2015

Since they are directly proportional, you can set it up as a proportion. I'm going to keep the y's on top and the x's on bottom, so 2/3 = y/9
Cross multiply and you get 18 = 3y
Divide both sides by 3 and you get 6 = y
Answer: y=6
Hope this helped(:

Answer Link

Other Questions

Find the length of the longest straight line that can be drawn on a rectangular chalkboard measuring 2.2 m by 1.2 m.

A polynomial [tex]$f(x)$[/tex] and two of its zeros are given.[tex]\[ f(x) = 4x^5 + 35x^4 + 99x^3 + 33x^2 - 223x + 52 \][/tex](Note: The problem states that two

the names of the reactants in a condensation reaction are given butanol butanol-> Product +h2o. draw the structures of the reactants and the organic product

Which story premise contains the most conflict?A. An army marches in full uniform through the streets of the capital.B. Mr. Velasquez loses his keys just minute

Which circuits correctly show Ohm's law?A. 25V, 5A, 5 ohmB. 56V, 7A, 8 ohmC. 18V, 6A, 3 ohmD. 20V, 5A, 4 ohm

Read the excerpt from Hemingway's A Farewell to Arms:"The major was a little man with upturned mustaches. He had been in the war in Libya and wore two wound-str

imagine you are living through the technological boom post world war 2

Enzo's balance sheet for the month of July is shown.\begin{tabular}{|c|c|c|c|}\hline \multicolumn{2}{|c|}{ Enzo's Balance Sheet (July 2013) } \\\hline \multicol

Which choice is equivalent to the fraction below when [tex]\( x \)[/tex] is an appropriate value? Rationalize the denominator and simplify.[tex]\[ \frac{4}{4-\s

The length of a throw rug is 34 inches. Find the relative error of the measurement.A. 0.5 in.B. 1 in.C. [tex]$\approx 1.5\%$[/tex]D. [tex]$\approx 2\%$[/tex]

what groups were in conflict in the south?

Explain the difference between a conductor and an insulator. Give two examples of each.

How are payroll taxes and user fees different?

Which statement is true for any electrochemical cell? (1) Oxidation occurs at the anode, only.(2) Reduction occurs at the anode, only.(3) Oxidation occurs at bo

what are two different numbers that round to 9.2 when rounded to the nearest tenth

Why do we only see only one side of the moon from Earth A. the moon does not rotate B. the moon takes longer to rotate then to revolve around Earth C. the moon

A family went to an amusement park and paid $12 for each adult and $8 for each child. A group of 15 people went to the park and it cost $140. This system of equ

How would you answer these French questions in a descriptive way? 10 points Ton college est comment? Qu’est-ce que tu vas etudier demain? Qu’est-ce qu’il yYour

Which hydrocarbon is saturated? (1) propene (3) butene(2) ethyne (4) heptane

14,28,56,112 number pattern