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Mariana [72]
3 years ago
5

Calculate s24 for the arithmetic sequence in which a13=1.9 and the common difference is d=3.7.

Mathematics
2 answers:
adell [148]3 years ago
8 0

Answer:

Just took this test the correct answer is 1.2


kolbaska11 [484]3 years ago
3 0

<u>Answer:</u>

The correct answer option is 42.6.

<u>Step-by-step explanation:</u>

We know that in a arithmetic sequence, a_{13}=1.9 and the common difference is (d)=3.7.

The standard form of an arithmetic sequence is given by:

a_n=a_1+(n-1)d

So we will substitute the given values in this formula to find the value of a_1.

a_{13}=a_1+(13-1)3.7

1.9=a_1+(12)3.7

1.9=a_1+44.4

a_1=-42.5

Now finding the 24th term"

S_{24}=a_1+(n-1)d\\\\S_{24}=-42.5+(24-1)3.7\\\\\\S_{24}=42.6.

Therefore, the 24th term of the given arithmetic sequence is 42.6.


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PLEASE SHOW WORK AND HELP EXPLAIN: 12.42 divided by 4.6
Anni [7]

Answer:

12.42 = 1242 / 100;

4.6 = 46 / 10;

12.42 ÷ 4.6 = (1242 / 100) ÷ (46 / 10 ) = (1242 / 100) x (10 / 46 ) = ( 1242 / 46  ) x ( 100 / 10 ) =  27 x 10 = 270;

Step-by-step explanation:


7 0
4 years ago
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valina [46]

Answer:

x=3

Step-by-step explanation:

9x+63=100

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3 years ago
Monica measures 91 milliliters of water into 9 tiny beakers. she measures an equal amount of water into the first 8 beakers. she
UkoKoshka [18]
To determine the amount of water in the first 8 beakers, you will subtract the 19 ml that are in the 9th beaker from the total to see how much water was actually put into the first 8 beakers.

91 ml - 19 ml = 72 ml.

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8 0
3 years ago
What is 4*6 i need help
vlabodo [156]

Answer:

24

Step-by-step explanation:

4 0
3 years ago
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Domain and, range in interval notation
Bas_tet [7]

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Range: [-4,4] (down-to-up or y-values used)

Function: no

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