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

Which of the following is a possible set of quantum numbers for an electron? (1, 1, 0, +½) (2, 1, 2, +½) (3, 2, 0, -½) (3, -2, 1, -½)

What are female cells called? What are the male cells called?

Can somebody help me

Rhizobium: are nitrogen-fixing bacteria live in the nodules of legumes convert nitrogen in soil into nitrogen compounds all of the above

These organisms have similar features that are considered what kind of structure

How many times smaller than a proton is an electron?

Hay una chica muy interesante en mi escuela. Yo (1) cómo se llama: Valentina. Es un nombre bonito, ¿no? Quiero (2) más de ella, pero soy muy tímido. Voy a l

Given: X-5>-2Choose the solution set.{XIXER,X-7}{XI XER, x>-3)[XIXER, > 3){x|xer, x>7

Is -8 a term True or false

If students took over your school what changes would you make? Why? Give a detailed answer.