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dlinn [17]
3 years ago
9

For the arthritic sequence 5,9,13,17,21,... how many terms would you need to get to 129

Mathematics
1 answer:
Vlad1618 [11]3 years ago
8 0

9514 1404 393

Answer:

  32

Step-by-step explanation:

The first term is 5 and the common difference is 9-5=4, so the n-th term is ...

  an = a1 +d(n -1)

  an = 5 +4(n -1) = 4n +1

Then the term number for the term 129 is ...

  129 = 4n +1 . . . . . put the given value in the formula

  128 = 4n  . . . . . . . subtract 1

  32 = n . . . . . . . . . .divide by 4

The 32nd term is 129.

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Lorico [155]

Solve: 2y(6 - 1)(6 - 1) = - 200


Simplify both sides of the equation:


50y = - 200



Divide both sides by 50


50y/50 = -200/50


y = - 4





Answer: y = - 4





Hope that helps!!!!!!! (Answer: y = - 4)

5 0
3 years ago
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What is the volume of a right circular cylinder with a base diameter of 17.5 ft and a height of 24.5 ft?
Natasha_Volkova [10]

Answer:

The volume of a right circular cylinder with a base diameter of 17.5 ft and a height of 24.5 ft is:

5889.95 ft³

Step-by-step explanation:

We are given a base diameter of a right circular cylinder as :

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hence radius of cylinder i.e. r =d/2 = 8.75 ft.

height of the cylinder = 24.5 ft.

now we know that volume of cylinder i.e. V is given by :

V = πr²h

putting the value of r and h in the given formula to obtain the volume

V = 3.14×(8.75)²×24.5

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hence, the volume of a right circular cylinder with a base diameter of 17.5 ft and a height of 24.5 ft is:

5889.95 ft³

3 0
2 years ago
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(2x + 3)/5 = (x - 2)/3<br><br> What is x?
RSB [31]
The answer should be 5 or -5
8 0
2 years ago
HELP PLEASE this is due tomorrow i need help with numbers 1, 2, and 3
Mama L [17]

Answer:

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Step-by-step explanation:

4 0
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Alisiya [41]

Answer:

Julie need to sell at least 45 shirts to break even.

Step-by-step explanation:

The  selling cost of each shirt = $ 20

Cost of each shirt = $6

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Hence, the <u>cost of making 80 shirts</u> =  80 x $6  = $480

So, her total capital investment of the month

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Now, let us assume she sell k number of shirts.

⇒ $20 x k  = $900

or, k = 900 / 20 = 45

or, k = 45

Hence, Julie need to sell at least 45 shirts to break even.

6 0
2 years ago
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