MandieSwanagan MandieSwanagan

20-07-2015
Mathematics

contestada

If 10^x equals 0.1 percent of 10^y, where x and y are integers, which of the following must be true?
a. y=x+2
b. y=x+3
c. x=y+3
d. y=1,000x
e. x=1,000y

Respuesta :

20-07-2015

[tex]10^x=0.1 \% \times 10^y \\ \\ 10^x=\frac{0.1}{100} \times 10^y \\ \\ 10^x=\frac{1}{1000} \times 10^y \\ \\ 10^x=\frac{10^y}{10^3} \\ \\ 10^x=10^{y-3} \\ \\ \log_{10} 10^x=\log_{10} 10^{y-3} \\ \\ x=y-3 \\ \\ y=x+3[/tex]

The answer is B.

Answer Link

Otras preguntas

The light turns green and a stationary racing car accelerates at 7.815 m/s/s. How much time does it take the car to reach a velocity of 37.0 m/s?

what are the easy ways to complete problems like these?

Explain how independent assortment occurs in cells and explain its importance.

Which trait does Crusoe’s relationship with the British captain have in common with his relationship with the Spaniard ? A. Both promise to leave their religion

A food product in your kitchen has been contaminated with one bacteria cell. Assume conditions are ideal and bacteria are dividing every 20 minutes. At this rat

Enclave surrounded by South Africa

HELP PLEASE!! WILL MAKE BRAINLIEST what is the THEME of the chapter 4 in war of the worlds

WORTH 50 POINTS NEED HELP FAST Identify a series of two or more transformations that exhibit the congruence between Figure 1 and Figure 2

Draw it draw lewis dot structures for each hypothetical molecule shown below, using the correct number of valence electrons for each atom. determine which molec

The product of the sum and the difference of two numbers equals the difference of their squares