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Aleonysh [2.5K]
3 years ago
8

What is the answer to this problem?!

Mathematics
2 answers:
Zielflug [23.3K]3 years ago
7 0
I believe that it will equal a-7 because the 2 cancels out with the -9 below making it -7 but I don't know it is still in a fraction of not sorry about that part hope this helps you somewhat
NNADVOKAT [17]3 years ago
4 0

Answer:

a^11

Step-by-step explanation:

a^2/a^-9 = a^2-(-9) which is a^11


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If x-2 is one of the factors of x^4-kx^2+4, find the value of k.
Andrei [34K]

Step-by-step explanation:

Given expression is x⁴-kx²+4 =0

x−2 is a factor of the given expression.

So, x=2

Substitute in the equation, we get

2⁴-k(2)²+4

⇒16+4k+4=0

⇒4k=−20

⇒k=−5

8 0
3 years ago
works as a florist and worked 12 hours last week and earned $98. At that rate, how much will she earn this weekend if she works
kotykmax [81]

Answer:

$114.3

Step-by-step explanation:

Number of hours worked last week  = 12hrs

Amount earned for her work hours = $98

 The rate at which she earned =  ?

        Rate = \frac{amount earned }{total work hour}  

        Rate  = \frac{98}{12}    = $8.17/hr

Now;

Since the total hours she worked during the weekend  = 14hrs

  Amount earned  = $8.17/hr   x 14hrs   = $114.3

7 0
3 years ago
Please help!!!!
DochEvi [55]

Answer:

256h28k8

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Please help!!!! <br><br> If f(1) = 2 and f(n+1) = f(n)^2 – 3 then find the value of f(3).
Black_prince [1.1K]

Answer:

The value of f(3) is -2.

Step-by-step explanation:

This is a recursive function. So

f(1) = 2

Now, we find f(2) in function of f(1). So

f(1+1) = f(1)^2 - 3

f(2) = f(1)^2 - 3 = 2^2 - 3 = 1

Now, with f(2), we can find the value of f(3).

f(2+1) = f(2)^2 - 3

f(3) = f(2)^2 - 3 = 1^2 - 3 = -2

The value of f(3) is -2.

4 0
3 years ago
What is the simplest form of the ratio 40:16?
Svetlanka [38]
So the greatest common factor of 40 and 16 is 8

40/8 : 16/8

5:2

The simplest form of the ratio 40:16 is 5:2

Hope this helps!
3 0
3 years ago
Read 2 more answers
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