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Inga [223]
3 years ago
15

A theater has 60 seats in the first row, 68 seats in the second row, 76 seats in the third row, and so on in the same increasing

pattern. If the theater has 25 rows of seats, how many seats are in the 25th row of the theater?
Mathematics
1 answer:
Vinvika [58]3 years ago
4 0

Answer:212 seats

Step-by-step explanation:a1=60

                                              D=8

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5x - 54 + 3x + 16 = 180<br><br> 3x +16 = 180<br><br> 5x - 54 = 3x + 16
Sloan [31]

Answer:

the answer sdhould be the third one

3 0
3 years ago
Use the explicit formula an = a1 + (n – 1) • d to find the 250th term of the sequence below. 57, 66, 75, 84, 93, ...
strojnjashka [21]

The general term of an arithmetic sequence is,

a_{n} =a_{1} +(n-1)d

Where , a_{n} = nth term.

a_{1}= First term

and d = common difference.

The given sequence is: 57, 66, 75, 84, 93, ...

Here a_{1}= 57,

d = 66 - 57 = 9

We need to find the 250th term. So, n = 250.

Next step is to plug in these values in the above formula. Therefore,

a_{250} =57 +(250-1)*9

= 57 + 249 * 9

= 57 + 2241

= 2298

Therefore, 250th of this sequence is 2298

Hope this helps you!

5 0
3 years ago
The difference of 4 times a number and 15 is -16. Find the number.
hichkok12 [17]

Answer:

-1/4

Step-by-step explanation:

4x - 15 = -16

4x = -1

x = -1/4

5 0
3 years ago
How do you write three hundred eighteen million, nine hundred sixty thousand in exspanded form
AlladinOne [14]

It would be 318,960,000

8 0
3 years ago
Read 2 more answers
Area as a sum:<br> Area as a Product:<br><br><br> I need the are as a sum Nd a product
PSYCHO15rus [73]

Given:

The area model.

To find:

The area as a sum and area as a product.

Solution:

The four terms of the area model are 2x^2,10x, 3x, 15.

The area as a sum is the sum of all the terms of given area model.

Area as a sum = 2x^2+10x+3x+15

                        = 2x^2+13x+15

The area as a product is the factor form of sum of all the terms of given area model.

Area as a product = 2x^2+10x+3x+15

                        = 2x(x+5)+3(x+5)

                        = (x+5)(2x+3)

Therefore, the area as a sum is 2x^2+13x+15 and the area as a product is (x+5)(2x+3).

8 0
3 years ago
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