07-09-2021
Mathematics

contestada

A ruler 30 cm long is broken into two parts in the ratio 8:7. How long are the two parts?

Respuesta :

aquacuisine aquacuisine

07-09-2021

Pro tip: always assign ratios a variable.

So 8x + 7x = 30; 15x=30; x=2

Now plug in x;
8(2)=16 and 7(2)=14
So the pieces are 16 and 14 cm which adds up to 30.

Answer Link

Otras preguntas

Which features of the Anglo-Saxon culture are present in Beowulf? Check all that apply. A.competition B.hospitality C.lords D.marriage E.warriors

Determine if the sequence is geometric -1, 6, -36, 216

what type of devices enable two or more computers to send and receive data?

How did the French respond when the colonies defeated the British at Saratoga in the Revolutionary War? A. They supported the British in their efforts to contr

Joe has a 28 foot long board. He needs to cut it into 24 equal length part. H owmany feet long should each section of the board be?

1. Use each of these words in a sentence that explains its meaning. a. census b. turnpike

In this type of government, the elected head of the executive branch acts independently of the legislative and judicial branches.

Exit you should take cover in a safe place if a tornado _____ is issued. a. alert b. watch c. warning d. proclamation

How would you locate an image formed by a convex lens?

A machanic earns $17.25 an hour. The president of the company earns 6 2 - 3 times as m