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Mazyrski [523]
4 years ago
15

Tell which number is prime: 15, 23, 45, 51

Mathematics
2 answers:
irina [24]4 years ago
6 0
The prime number is 23
allsm [11]4 years ago
4 0
23 is a prime number.Since 15,45, and 51 all are divisible by 3
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3 years ago
Which term of the arithmetic sequence 1, 5, 9, 13, ... is 169?<br> It is the<br> th term.
sveta [45]

Answer:

43rd term

Step-by-step explanation:

Arithmetic sequences are basically linear functions, so the same value is added every time. So, knowing that Asub1 is equal to one, and Asubn is equal to 169 we can take 169-1 and divide by our common difference. This is four as 5-1=4 and 9-5=4.

So, (169-1)/4=42.

This is however 42 terms after Asub1, so this would be the 43rd teen of the sequence!

8 0
3 years ago
How does the graph of f(x)=-3^2x-4 differ from the graph of g(x)=-3^2x
solniwko [45]

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C. The graph of f(x) is shifted four units down from the graph of g(x).

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
Janel went shopping and bought 2 shirts and a pair of pants for $55.78 before tax. How much was the total after 6% sales tax?
tatiyna

Answer:

$59.13

Step-by-step explanation:

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3.35+55.78=59.13

4 0
3 years ago
Evaluate the expression when a= 1/4 and b=6
aalyn [17]
(5b) / (32a^2)....a = 1/4 and b = 6
now we sub
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30 / 32(1/16) =
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15 <===
5 0
3 years ago
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