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Vesnalui [34]
3 years ago
10

(6(1) = -5 1) Find (4) in the sequence given by (6(n) = b(n − 1) +9

Mathematics
2 answers:
Sloan [31]3 years ago
8 0

Answer:

f(4) = 22

Step-by-step explanation:

I think that you type wrongly.

we have f(1) = -5

and f(n) = f(n-1) + 9

Find f(4)

Then

with n= 2 we have f(2) = f(1) + 9 = - 5+ 9= 4

with n= 3 we have f(3) = f(2) + 9 = 4 + 9= 13

and finally with n= 4 we find f(4) = f(3) + 9 = 13+ 9= 22

So f(4) = 22

Hope you understand.

Furkat [3]3 years ago
6 0
F 4 = 44

Cuz I said so
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Middle school students were asked how they got to school each morning. There were 375 students who said they rode the bus. This
const2013 [10]

Answer:

625 students

Step-by-step explanation:

5 0
3 years ago
(x^2–x–4)multiplied by(x–5)
Sergio [31]

(x-5)(x^2-x-4) =x^3-6x^2+x+20

Step-by-step explanation:

Given polynomials are:

x^2-x-4\\and\\x-5

Both polynomials have to be multiplied. We will use distributive property for the said purpose

So,

(x-5)(x^2-x-4)\\=x(x^2-x-4)-5(x^2-x-4)\\=x^3-x^2-4x-5x^2+5x+20

Combining alike terms

=x^3-x^2-5x^2-4x+5x+20\\=x^3-6x^2+x+20

Hence,

(x-5)(x^2-x-4) =x^3-6x^2+x+20

Keywords: Polynomials, Multiplication

Learn more about polynomials at:

  • brainly.com/question/4703807
  • brainly.com/question/4703820

#LearnwithBrainly

7 0
3 years ago
I need help on this question I’m confused I think a &b are the same and c &d are different but I’m not to sure !
Nina [5.8K]
<h3>Answer:  They're all the same</h3>

====================================================

Reason:

2^6 means we have 6 copies of "2" multiplied out as shown in choice B. That explains how A and B are the same, and we can say

2^6 = (2*2*2)*(2*2*2)

The parenthesis are optional, but I find they're handy to count the '2's easier.

----------------

Now notice that

2^3 = 2*2*2

So,

2^6 = (2*2*2)*(2*2*2)\\\\2^6 = (2^3)*(2^3)\\\\2^6 = (2^3)^2\\\\

The last step is possible because we have two copies of 2^3 multiplied together.

This shows that choice C is equivalent to A and B.

-------------------

Lastly,

2^6 = (2*2*2)*(2*2*2)\\\\2^6 = (2*2)*(2*2)*(2*2)\\\\2^6 = (2^2)*(2^2)*(2^2)\\\\2^6 = (2^2)^3\\\\

The jump to the last step is possible because we have three copies of 2^2 multiplied together.

This shows choice D is equivalent to the others.

All four expressions are the same.

They represent different ways to say the same number. That number being 64.

3 0
2 years ago
Megan bought 2 1/4 pounds of bananas for $0.80 per pound and 1 1/2 pounds of strawberries for $1.10 per pound. How much more did
Dennis_Churaev [7]

Answer:

$0.15

Step-by-step explanation:

Cost of each pounds of banana = $0.80

Number of pounds of banana = 2 1/4 pounds

Total cost of banana = $0.80 × 2 1/4 pounds

= 0.80 × 9/4

= 0.80 × 2.25

= 1.8

Total cost of banana = $1.8

Cost of each pounds of strawberry = $1.10

Number of pounds of strawberry = 1 1/2 pounds

Total cost of strawberry = $1.10 × 1 1/2 pounds

= 1.10 × 3/2

= 1.10 × 1.5

= 1.65

Total cost of strawberry = $1.65

How much more did Megan spend on bananas than on strawberries?

Total cost of banana - Total cost of strawberry

= $1.8 - $1.65

= $0.15

3 0
3 years ago
Read 2 more answers
The interval​ time, I, in​ minutes, between appointments is related to total number of minutes T that a doctor spends with patie
zmey [24]

Answer:

Approximately 5.19 hours.

Step-by-step explanation:

The question is asking that you solve for T (the amount of time spent with patients in a day). To do so, simply input the values which it has given you for your variables. We can substitute 16 for I as that is the doctor's preferred interval time and we can substitute 21 for N as that is the amount of appointments the doctors wishes to have per day.

16=1.08(\frac{T}{21} )

To solve, start by multiplying both sides by 21.

336=1.08T

Next, divide both sides by 1.08.

311.11=T

Your answer comes out to 311.11 minutes. The question is asking for this to be translated into hours per day, which equates to approximately 5.19 hours.

3 0
3 years ago
Read 2 more answers
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