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
Vanyuwa [196]
3 years ago
6

Which is the value of this expression when a = 5 and k = negative 2?

Mathematics
1 answer:
LuckyWell [14K]3 years ago
6 0

Answer:

<h2>25/9</h2>

Step-by-step explanation:

hello :

this expression equivalent to : (3/a)^5

because ;3²a^(-2)/3a^(-1)= (3²/3)×(a^(-2)/a^(-1)) = 3a^(-2+1) = 3a^(-1) = 3/a

now : a=5 and k= -2    so :    (3/5)^(-2) = (5/3)² =25/9

You might be interested in
How do you do this???
Nesterboy [21]
You multiply what’s on top of that
7 0
3 years ago
the original cost of a piano is 19,100 and it is on a sale for 19% off its original price if the total l cost includes a 5% sale
amid [387]

Answer:

16,244.55

Step-by-step explanation:

Original cost of piano = 19,100

19% off on 19,100 = 0.19*19100 = 3,629

Selling cost = 19100 - 3629 = 15471

Sales tax = 5% =0.05

Amount of sales tax = 0.05*15471 = 773.55

Total selling cost of piano = Selling cost + Amount of sales tax = 15471 + 773.55 = 16,244.55

4 0
3 years ago
Read 2 more answers
Use the graph to find the limit (if it exists). If the limit does not exist, explain why.
Mandarinka [93]

Answer:

  the limit does not exist

Step-by-step explanation:

As x approaches π/2 from below, tan(x) approaches +∞. A x approaches π/2 from above, tan(x) approaches -∞. These two limits are not the same, so the limit is said not to exist.

___

For a limit to exist, it must be the same regardless of the direction of approach.

6 0
3 years ago
(a food ball team has four chances with the ball keep going to try to make a touchdown. a team gained 7 yards,lost 2, gained 4,a
Hoochie [10]

Gained in total = 10.

Moved Backwards in total = 3.

But if you keep them all together with the amount taken away, they've only gained 8 yards.

4 0
4 years ago
you deposit $2,000 in an account that earns simple interest. after 6 months the account earns $210 in interest. what is the annu
Luden [163]

Answer:

21%

Step-by-step explanation:

210 is 10.5% of the amount that is for 6 months doubling it will make it 420 that is 21% of the total amount of 2000.

8 0
3 years ago
Other questions:
  • No guessing free brainelyestHow many variable terms are in the expression 3xto the power of 3 y + 5xz − 4y + x − z + 9? (Input a
    11·1 answer
  • Consider the system of equations
    14·1 answer
  • A boat is sighted from a 50-meter observation tower on the shoreline at an angle of depression of 4 degrees moving directly towa
    11·1 answer
  • What it the answer?​
    11·1 answer
  • PLEASE HELP ASAP<br> will mark brainliest
    8·1 answer
  • sara is thinking of a number if she multiples the number 2 and 14,the result is the same as if he subtracts 8 from 4 times numbe
    9·1 answer
  • A company redesigned its website. It wants to
    13·2 answers
  • AB =<br> Round your answer to the nearest hundredth.<br> 5<br> C<br> А<br> 65°<br> B
    7·1 answer
  • Find the product, using suitable properties:<br><br> (-23)×48 ​
    5·1 answer
  • One root of the equation a(b-c)x^2 + b(c-a)x + c(a-b) = 0 is x=1, find the other root in terms of a, b and c
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!