02-03-2015
Mathematics

Answered

Translate into an equation and solve.

Twenty-one is three times the difference between three times a number, n, and five.

Verified Answer :

Panoyin Panoyin

02-03-2015

21 = 3(3n - 5)
21 = 3(3n) - 3(5)
21 = 9n - 15
+15 +15
36 = 9n
9 9
4 = n

Answer Link

Related Questions

according to the excerpt from hic sunt draconesthe geography and cartography of monsterswhat creates monsters

stress tends to manifest itself in changes

what conditions are present in this situation that give kristina the right to file a lawsuit against myra and dirt cheap realty

Document 4 The Chinese had long been opposed to the opium trade The drug had been introduced into China by Dutch traders during the seventeenth century As early

5 Which two types of energy account for the most energy consumption in the United Stateshighlight oneNatural gas and petroleumab Coal and gasc Crude oil and nuc

In these lines from The Horses how does the poets word choice contribute to the image Huge in the dense grayten together Megalithstill a The short phrases stand

Solve 12x 4x 5 Solve 15x 33x 4 6 Solve 3x 5x 10 36 Solve 2x3 x 10

$y=-6 x^2+100 x-180$ $x=$ selling price of each soccer ball $y=$ daily profit from soccer balls What do the zeroes mean in context? A. If soccer balls a

The only invertebrates known to hear are insects crablobster mollusks earthworms

Dexter has 44 tiles left over from tiling his bathroom floor and he would like to use them to tile the front entrance of his house Each tile has an area of 9 in

Web Analytics