1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
elixir [45]
2 years ago
11

For what values of y does 125=(1/25)^y-1

Mathematics
2 answers:
Genrish500 [490]2 years ago
7 0

Answer:

The answer is y=-0.5

Step-by-step explanation:

In order to determine the "y" value, we have to change the way of we see the equation.

In these cases, when the variable is in the exponent and  it is possible to make two exponents in each side of the equation, we have to equal bases and then we have to make other equation between the exponents of both sides.

So,

125=(\frac{1}{25})^y^-^1\\(5)^3=(5^-^2)^y^-^1\\(5)^3=(5)^-^2^*^y^+^2\\

Then, we have to make an equation between the exponents of both sides:

3=-2*y+2\\2*y=2-3\\2*y=-1\\y=\frac{-1}{2}=-0.5\\ y=-0.5

Finally, the value of "y" is -0.5

spin [16.1K]2 years ago
4 0

125 =  \frac{1}{125}  {}^{y - 1}  \\ 125 = ( {5}^{ -  2} ) {}^{y - 1}  \\   \\  {5}^{3}  =  {5}^{2 - 2y}   \\ 3 = 2 - 2y \\  - 0.5 = y

You might be interested in
Write an algebraic
MatroZZZ [7]

Answer:

x = 115 - p

Step-by-step explanation:

generally in algebra you will use the letter "x" to represent a value you do not know, so it wants an algebraic expression for "p subtracted from 115", this can be rewritten as 115 - p. So the unknown value  "x" is equal to 115 - p.

6 0
3 years ago
Emma earns 120 frequent flyer miles for every $40 of merchandise she buys with her credit card. Which of the following equations
Stells [14]
120 divided by 40 = 3

That’s the equation
7 0
3 years ago
Read 2 more answers
PLS PLS HELP ME THIS IS DUE TONIGHT
nika2105 [10]
I’m so confused?? what’s the question?
5 0
2 years ago
Read 2 more answers
Veronica rolls a six-sided die 28 times.
Contact [7]
She should expect it to land on a even number 84 times
7 0
2 years ago
Read 2 more answers
The surface area of this rectangular prism is 34 square centimeters. What is the volume is the width is 1 cm, the length is 2 cm
Bezzdna [24]

Answer: 10\ cm^3

Step-by-step explanation:

Given

The surface area of a rectangular prism is 34\ cm^2

Width of prism w=1\ cm

Length of prism l=2\ cm

height of prism h=x\ cm

Surface area is given by

S.A.=2[lw+wh+hl]

Put values

34=2[2\times 1+1\times x+2x]\\17=2+3x\\15=3x\\x=5\ cm

Now, the volume of Prism is given by

V=l\times w\times h

\Rightarrow V=2\times1\times 5=10\ cm^3

8 0
2 years ago
Other questions:
  • write down the coordinates of the point 5 units to the left of the y axis and 3 units above the x axis
    11·1 answer
  • Please i need to know what is 6y-8+2y+5
    12·2 answers
  • __x90.3=903<br><br> __x90.6=906 <br> What goes in the blanks
    13·1 answer
  • to convert 135 minutes into hours, which ratio could you multiply by? Remember the 1 hour = 60 minutes
    7·1 answer
  • Help 15 pts. Please answer asap
    5·2 answers
  • Help asap this is due tonight
    8·1 answer
  • The standard deviation is used in conjunction with the _________ (range/variance/median/mean/mode) to numerically describe distr
    12·1 answer
  • Can you helpppp pleasse
    5·1 answer
  • How many degrees<br>in 1/20 of a full turn?​
    14·1 answer
  • The product of 8 and the sum of a number x and 3
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!