joymacklin0001
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 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

Regular exercise is positively related to wellness
In your own words what is the application (purpose) of macconkey agar
Why is having a scientific model of the atom important? 1.the model allows us to predict how atoms will behave in certain situations. 2.the atom is the smallest
Insurance can help you
Which of the following is a property of water? polar molecule regulates temperature universal solvent all of the above
Evaluate. (1/4)^-2 - (5^0×2)×1^-1
What is found in both cellular respiration and in the light reactions of photosynthesis?
Which zone is inhabited by bottom feeding catfish crayfish aquatic worms clams and bacteria?
An animal with thick layers of blubber, dense fur, the tendency to hibernate, and light coloration is well-adapted to the _____________biome. A) tundra B)
Scientists use specific levels of organization to analyze the biosphere. The Everglades are a large area of subtropical wetlands in Florida. Various species of