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nika2105 [10]
3 years ago
9

Need help answering these questions please.

Mathematics
1 answer:
andrew-mc [135]3 years ago
5 0
The 1st one is 7.50 because you multiply 5.50 times 3 and it gives you 16.50 and you subtract it by 9 and it gives you 7.50
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The sum of all the positive terms in the geometric sequence 54, - 36, 24, - 16, ... is
Annette [7]

Answer:

  B.  97.2

Step-by-step explanation:

The sequence of positive terms is ...

  54, 24, 10 2/3, 4 20/27, ...

This sequence has first term 54 and common ratio 24/54 = 4/9. The sum of the infinite series is ...

  S = a1/(1 -r) = 54/(1 -4/9) = 54(9/5)

  S = 97.2

The sum of the positive terms in the infinite series is 97.2.

8 0
2 years ago
Consider the following code: int x = 8; int y = 17; if (x != y) System.out.print ("one"); else if (x > y) System.out.print ("
enyata [817]

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6 0
3 years ago
Select the correct answer.
Mashcka [7]

Answer:

i can tell you its not A but try B

Step-by-step explanation:

6 0
3 years ago
I need help right now please
artcher [175]
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6 0
3 years ago
Which of these is a correct expansion of (4x - 2)(2x + 3)?
RideAnS [48]

Answer:

It's 8x²+8x-6

Step-by-step explanation:

If you multiply each component you get:

4x * 2x = 8x²

4x * 3 = 12x

-2 * 2x = -4x

-2 * 3 = -6

Adding everything you have the result.

8 0
4 years ago
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