joymacklin0001 joymacklin0001

03-01-2017
Mathematics

contestada

I have a 2 in the tens place. when you add 18 to me, you get 39. what number am I ?

Respuesta :

apologiabiology apologiabiology

03-01-2017

x=number
x+18=39
minus 18 both sides
x+18-18=39-18
x+0=21
x=21
the number is 21
and it has 2 in tens palce

21

Answer Link

Otras preguntas

name 2 sound devices and what type they are from the song Where Is The Love by the Black Eyed Peas.

What do you mean by corrosion? How can you prevent it?

Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies both inequalities

Solve the system of equations.3x+3y+6z=33x+2y+6z=74x+4y+7z=4

Consider the following system of equations. y = 2x - 2 y - 2x = 5 What can you conclude about the system of equations? The system of equations is inconsistent.

Write this statement as a conditional in if-then form: All triangles have three sides. A) If a figure is a triangle, then all triangles have three sides.B) If a

A storage tank shaped Like a rectangular prism is being manufactured to hold 100,000 cubic feet of natural gas. It has a length of 10 feet and a width of 25 fee

Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies neither inequalities

a person who studies word origins and meanings would most likely be a

Solve the system of equations.3x+3y+6z=33x+2y+6z=74x+4y+7z=4