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

If w = 10 units, x= 5 units, and y= 6 units, what is the surface area of the figure?

Which is an acid-conjugate base pair?

Match the enzymes with the molecules they help break down a. Amylase b. Pepsin c. Lipase

The skeleton of Homo erectus: a. is more apelike (more similar to a chimp or gorilla) than human b. is adapted for walking differently than modern man (more lik

Why all people are not Muslim

Discuss one of the major issues in toxicology from any perspective.

Which of the following regarding proteins is INCORRECT? a. They form peptide bonds b. All are enzymes c. Play a role in transport of material across a membr

Which one of the four phases of interrogation at trial is not required? A. Direct examination. B. Re-cross examination. C. Redirect examination. D. Cross examin

Please select the word from the list that best fits the definition. El pantalón

According to the International Union for Conservation of Nature and Natural Resources (IUCN), 73% of species have become extinct, endangered, vulnerable, or rar