select all of the following numbers that show the digit 4 being ten times greater within the same number. A. 404 B. 5440 C. 12044 D. 43942 E. 1402 F. 34,412

9514 1404 393

  B. 5440

  C. 12044

  F. 34412

Step-by-step explanation:

In our base-10 place-value number system, each digit has a place value 10 times the one to its immediate right. This means the digits 4 will have values in the ratio of 10:1 when they are adjacent digits in the number.

The numbers of interest are ...

  B. 5440

  C. 12044

  F. 34412

B. 5440

C. 43942

Step-by-step explanation:

step-by-step explanation:

the first 5 right here the next 5 i will upload as separate question

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: