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Mashutka [201]
3 years ago
14

N an

Mathematics
1 answer:
Kisachek [45]3 years ago
4 0

Answer:

  (b)  a1 = 6, a(n) = a(n -1) +5

Step-by-step explanation:

It helps to recognize the form of a recursive definition for an arithmetic sequence. It looks like ...

  a_1=\text{(first term)},\ a_n=a_{n-1}+d\qquad\text{for common difference $d$}

Only one of the offered answer choices has this form. That is the correct choice.

You might be interested in
What is the equation of the line through the origin and (3, 4)?
melomori [17]

Answer:

y=3x+4

Step-by-step explanation:

Hope this works

7 0
3 years ago
What is the unit rate for 128 pounds of dog food for 16 dogs
kiruha [24]
There could be two unit rates for this problem. We find the unit rate by dividing how much something gets for however much it is. For example:

If we wanted to find out how many pounds of dog food each dog gets, we divide the pounds of dog food all of them get by how many dogs there are:

128/16 = 8

So each dog receives 8 pounds of dog food. This is one unit rate.

Another unit rate would be how many dogs does one pound of dog food feed. We calculate this by dividing the amount of dogs by the pounds of dog food they received:

16/128 = 1/8

So one pound of dog food feeds 1/8 of a dog, this is the other unit rate.
8 0
3 years ago
6x - 2y = 5
laiz [17]

Answer:

The given system has NO SOLUTION.

Step-by-step explanation:

Here, the given system of equation is:

6 x -  2 y = 5     .......... (1)

3 x  - y = 10          .... (2)

Multiply equation 2 with (-2), we get:

3 x  - y = 10     ( x -2)

⇒  - 6 x + 2 y = - 20

Now, ADD this to equation (1) , we get:

6 x - 2 y  - 6 x + 2 y  = 5 - 20

or, 0 = - 15

WHICH IS NOT POSSIBLE as 0 ≠ -15

Hence, the given system has NO SOLUTION.

7 0
3 years ago
A store pays $81 for a hockey stick and marks the price up by 5%. What is the amount of the mark-up?
OlgaM077 [116]
.05 is equal to 5%
So for every dollar the mark up is .05cents
So if you times $81 by .05 this will give you the mark up because each of the 81$ needs .05 added to it.

So $4.05 Is the mark up

And

The cost would be markup and original added together
4 0
3 years ago
Find the area of this sector
slavikrds [6]

Answer:

1492.885

Step-by-step explanation:

the whole circle has 360°  and an area of pi*r² =pi*24²=pi* 576

for 360°  and A=pi*576

for 360-63= 297°  and A= (297*576*pi) / 360 = 1,492.885 m²

6 0
3 years ago
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