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Ostrovityanka [42]
3 years ago
15

Write down the next 2 terms of this quadratic sequence: 1, 3, 7, 13, ..., ...

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
7 0

Step-by-step explanation:

{n}^{2}  + (n + 1)

where n starts from 0.

so the answer is :

16+5=21,

25+7= 32

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One number is three times another number. If the sum of the numbers is 36, determine the two
Svetllana [295]

Answer: biggest no.=27. Smallest number=9

Step-by-step explanation:

Let's take the smallest number as x and the biggest number as 3x since it is 3 times bigger than x.

The sum of these two numbers is 36

3x+x=36

4x=36

X( smallest number)=36/4: 9

While, the biggest number is 3x: 3×9=27

5 0
3 years ago
List 5 fractions that are between 1/3 and 4/5
koban [17]

9514 1404 393

Answer:

  2/5, 7/15, 8/15, 3/5, 2/3

Step-by-step explanation:

If these fractions are expressed with a common denominator, that would be 3×5 = 15. Then the given fractions are 1/3 = 5/15, and 4/5 = 12/15. The numerators 5 and 12 differ by 7, so we can easily choose 5 fractions in that range:

  6/15 = 2/5

  7/15

  8/15

  9/15 = 3/5

  10/15 = 2/3

_____

<em>Alternate solutions</em>

There is no requirement for the fractions to be written any particular way or with any particular spacing. The limits in decimal are 1/3 = 0.3333...(repeating) and 4/5 = 0.8. We could choose the decimal fractions ...

  0.34, 0.40, 0.50, 0.60, 0.70

or

  0.41, 0.52, 0.63, 0.74, 0.79

7 0
3 years ago
What is the greatest common factor of 44c^5 ,22c^3, 11c^4
SVEN [57.7K]

Answer:

Step-by-step explanation:

Multiply the GCF of 44, 22, 11 and GCF of

Thus

7 0
3 years ago
Explain how you find instantaneous velocity and find it for s(t) = -3 + 4t^2 when t = 5 seconds.
White raven [17]
You take the derivative of the position equation  s(t) = -3 + 4t^{2}
and you get  v(t) = 8t
now plug in 5 
v(5) = 40
40 m/s is your answer

5 0
3 years ago
Which of the following is a composite number between 20 and 40
aniked [119]
20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40


7 0
3 years ago
Read 2 more answers
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