kalawsBridge kalawsBridge

11-10-2016
Mathematics

contestada

i am thinking of a number. when it is increasd by 7, it equals 21. what is my number

a. n=28

b. n=14

c. n=7

d. n=147

Respuesta :

lukasshaitzma lukasshaitzma

12-10-2016

if X is increased by 7 to make 21
X + 7 = 21
then rearrange the equation to get X
X = 21-7
X = 14(b)

Answer Link

Ckaranja Ckaranja

15-10-2016

Let the number be x;
x+7=21
Subtracting 7 from each side,
x+7-7=21-7
x=14

Answer Link

Otras preguntas

Determine a general formula (or formulas) for the solution to the following equation. Then, determine the specific solutions (if any) on the interval [0,2 pi

Help me I’m stuck and I need to get this done

Masters and Johnson conducted groundbreaking research concerning

does anybody know the answer and how to solve it -6g + 12 and 6 (g - 6)

I need help if u can thanks!!

how do you find the Median Absolute and Deviation

HOW DOES THE AUTHOR NILLUSTRATE THE IDEA OF THE NON VILONET PROTEST

Which argumentative statement contains a logical fallacy? A) I simply cannot believe that putting blinds up on our hallway windows will increase students' abi

Please select the word from the list that best fits the definition the periodic daily rise and fall of ocean water

what is the most common molecule in living things