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
solmaris [256]
2 years ago
12

Find the value of k when 5^-3 + 5^-4 = 5^k x 5^-4

Mathematics
2 answers:
lubasha [3.4K]2 years ago
8 0

Answer:

Given , 1/2 is a solution of the equation

or, 1/4 - 5/4 = -k/2

or, -k/2 = -1

or k = 2

Step-by-step explanation:

GalinKa [24]2 years ago
4 0

Answer:

k= 6/5 or 1.12

Step-by-step explanation:

You isolate the variable by dividing each side by factors that don't contain the variable. This variable (K) is not a whole number so I gave you the fraction and rounded decimal form. Hope this helps :)

You might be interested in
PLEASE HURRY
KIM [24]
This link does not work
5 0
3 years ago
While traveling to Europe phlegm exancheged 250 US dollars he spent 150 euros on his trip after returning to the United States h
anzhelika [568]
1euro = 1.3687 USD 

So 150 Euros = 150*1.3687 USD 

=<span>205.305 USD 

So he spent $205.305 USD on his trip. 

He started off with $250 so to find the amount left we just take 

250 - 205.305 

= $44.695 

Or 44 dollars and 69.5 cents. It's a weirdly exact amount, sure, but the question had a very precise exchange rate, so we'll assume this is fine. </span>
4 0
3 years ago
What is the answer of 17 and 16 ​
Vera_Pavlovna [14]

Answer:

c)

Step-by-step explanation:

16) Cost price = Selling price  * 100 / (100- loss%)

= 800 * 100 / 80 = 10*100 = 1000

Loss = Cost Price - Selling price = 1000 -800 = 200

6 0
3 years ago
Movies Tonight is a typical video and DVD movie rental outlet for home-viewing customers. During the weeknight evenings, custome
stepladder [879]

Answer:

the probability having no customers are in the system is 0.375

Step-by-step explanation:

The computation of the probability having no customers are in the system is as follows;

Given that the arrival rate is 1.25 customers per minute

The Service rate is 2 customers per minute

Based on the above information, the probability is

=P_0\\\\=(1-\frac{\lambda }{\mu })\\\\=(1-\frac{1.25}{2})\\\\=1-0.625\\\\= 0.375

Hence, the probability having no customers are in the system is 0.375

6 0
3 years ago
how much money has to be invested at 3.3% interest compounded constinuously to have $45,00 after 19 years
Sedaia [141]
P=$24038.60 has to be invested to have $45000 after 19 years
3 0
3 years ago
Read 2 more answers
Other questions:
  • Which polynomial is equivalent to this expression if n≠-1n≠-1? 3+n−2n21+n?
    14·2 answers
  • The diameter of the larger circle is 12.5 cm. The diameter of the smaller circle is 8.5 cm.
    5·1 answer
  • Identify the x-intercept of the linear equation 3x+y-9=0
    5·1 answer
  • How many tens are in 120,000
    12·2 answers
  • If 8p = 3p + 25, what is the value of p? Select the best answer from the choices provided. p = 4 p = 5 p = 6 p = 8
    7·2 answers
  • The band director of Eagle Rock High School asks her students to have a car wash as a fundraiser. They are going
    11·1 answer
  • Plz Help your fav. Marshmello i wasn' t,,,,, xx born yesterday.
    7·2 answers
  • The area of a rectangular wall of a barn is 144 square feet. Its length is 10 feet longer than the width. Find the length and wi
    6·1 answer
  • Write a number with one decimal place, that is bigger than 5 1/3<br>but smaller than 5.5​
    6·1 answer
  • Help me find the two missing answers please!!!
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!