26-10-2015
Mathematics

contestada

3/9=21/k proportion

Respuesta :

26-10-2015

[tex]\frac{3}{9} = \frac{21}{k}\\\\\frac{1}{3}= \frac{21}{k}\\\\\sf Cross~multiply\\\\1(k) = 21(3)\\\\k = 21(3)\\\\\boxed{k = 63}[/tex]

Answer Link

Otras preguntas

what us investing for

What's the answer???

The ? allied with France during the French and Indian War.

What does the word resist mean as it is used on page 2 of passage 2?

Select all that are like radicals to /11. (i’ll give you brainliest answer)

Can someone give me a detailed explanation on the physics of drums? How do drums get that sound from a physics perspective? (It is for a project on the physics

A basketball player attempts eight free throws. Each attempt results in a score or a miss. Find the number of possible outcomes.

Which amendment gives you the right to have a lawyer? 7th 5th 6th 1st

Colonists who agreed to work another for passage to America we’re called: - Indentured Servants - Nobels - Serfs

Which of the following statements best characterized the country of North Korea?