xman238 xman238

29-08-2014
Mathematics

Answered

If you start with a number, add 2/5, then multiply by 7, the result is 6 3/10. What was the original number?

Answer :

laurakresslein laurakresslein

29-08-2014

(x+2/5)7=63/10
then divide both sides by 7
x+2/5=63/70
subtract 2/5 from both sides
and x= 1/2

*x=original number

Answer Link

Other Questions

Select the correct answer.Which theme is conveyed in this excerpt from "The Tell-Tale Heart" by Edgar Allan Poe?> TRUE! - nervous - very, very dreadfully ner

In your own words, explain the core processes of the SCOR (Supply Chain Operations Reference) model and their significance in supply chain management. How do th

Determine whether the series converges or diverges.[tex] \sum_{n=0}^{\infty} \frac{3+\cos (n)}{5^n} [/tex]A. convergesB. diverges

Evaluate the following limit. Use l'Hôpital's Rule when it is convenient and applicable.[tex]\[ \lim_{x \rightarrow 0} \frac{6 \sin 7x}{5x} \][/tex]Use l'Hôpita

Comparing Rectangular SolidsOne rectangular solid with a square base has twice the height of another rectangular solid with a square base with the same side len

What are the vertex and [tex]$x$[/tex]-intercepts of the graph of [tex]$y=x^2-6x-7$[/tex]?Select one answer for the vertex and one for the [tex]$x$[/tex]-interc

### 9.1: Faces, Vertices, and EdgesIn an earlier lesson, you saw the equation [tex]\( V + F - 2 = E \)[/tex], which relates the number of vertices, faces, and e

Which is the electron configuration for bromine?A. [tex]$1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^{10} 4p^5$[/tex]B. [tex]$1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^{10} 4p^6$[/

\begin{tabular}{ll} Subject: English & P.M.: 20 \\\hline 1. Complete the following sentences by selecting the correct options: \\a. Have you ever seen .....

A drive shaft can be checked for proper balance by marking the circumference of the shaft in four places and running the vehicle drive wheels to spot the point