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

24-04-2014

10x2 = 20
20^2 = 400
So the answer is 10

Answer Link

Otras preguntas

set up the following using a vertical format for 3x2+2x-5 and -4+7x2

what are the answers for power pluss level 7 leson 9

An electrical appliance is to be assembled on a production flow line. The IE department has time estimates foa) Work measurementb) Time and motion studyc) Proce

Jackson Farms has allotted a certain amount of land for cultivating soybeans, corn, and wheat. Cultivating 1 acre of soybeans requires 2 labor-hours, and culti

Compare the resolving power and the light gathering power of the human eye to a 4-meter telescope.

Germany's initial problem at the beginning of the war was

Allow a user to enter a series of names. When they are done they will enter the name of 'DONE'.Print out the name that comes first and last alphabetically (smal

What steps in the system development process involves the process of changing from an old system to a new system? A. Conversion B. Testing C. Maintenance D. Pro

An oligopoly is characterized by:a. A high degree of interdependence with other firms in the industry.b. Low concentration ratios.c. Little to no market power.d

This type of uranium required for Reaction 1 can be formed by the emission of an alpha particle from What isotopes? (reaction 1: 235U -> 90Sr + Z)a. 239 Ub 2