williamkruse080 williamkruse080
  • 24-04-2014
  • Mathematics
contestada

You start with a number. Double it. Square the answer. You get 400. What number did you start with?

Respuesta :

MathG33k
MathG33k MathG33k
  • 24-04-2014
10x2 = 20
20^2 = 400
So the answer is 10
Answer Link

Otras preguntas

An omega-3 fatty acid is A) a type of healthy fat that lowers blood pressure B) a type of healthy fat that encourages weight gain C) a type of unhealthy fat
is 1296 rational or irratational
charise bought 1 3/4 pounds of hamburger meat and a 12 1/2 pound of turkey.How much meat did she buy at the store. Reduce to lowest terms
What is the area of the polygon given below?
What are the three goals of the employment act of 1946?
what should be added to 3 times 39 to get 12 times 39 ... (a) 4×39 (b) 9×12 (c) 9×39 (d) 15 ×39
Which of the following is a direct result of cultural diffusion in the United States over the past century? Shoppers find sushi in the produce section of the l
The teacher says,'If you work hard,you will pass'. Convert from direct to indirect speech.
identify the complete verb:he still has not mailed the check
In which situation do you NOT need to send an attachment with the email? A. emailing a job application and a resume to a potential employer B. emailing to upd