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Ulleksa [173]
3 years ago
8

3, -6, 12, 4, 20, ? What is the missing term u

Mathematics
1 answer:
kakasveta [241]3 years ago
8 0

Answer:

13

Step-by-step explanation:

Odd-numbered terms of the sequence appear to have first differences of 9, 8, 7, ...

Even-numbered terms of the sequence appear to have first differences of 10, 9, 8, ...

Thus the 6th term of the sequence will be 9 more than the 4th term of the sequence. It will be 13.

_____

In the absence of any clue as to the nature of the sequence, you can choose the next term(s) to be anything you like. A rule can always be made that will fit the term values you choose.

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Which of the following equations is an example of inverse variation between variables x and y ?
Mademuasel [1]
The option C) y = 15/x

a) y = 15 x is an example of direct variation, with proportionality constant = 15

b) is an example of linear variation (it is the equation of a straight line that does not pass through the origin)

c) y = 15/x => y*x = 15 = constant which is the characteristic of an inverse relation

d) y = x/15 is an example of an inverse relation, with proportion constant = 1/15 
3 0
3 years ago
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Sphinxa [80]

Answer:

[6 12 2]

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Step-by-step explanation:

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2 years ago
Let z be the product of any 5 consecutive three digit odd natural numbers. When you multiply
Charra [1.4K]

Answer:

  5

Step-by-step explanation:

If x is the middle number of the 5 consecutive odd numbers, their product is ...

  x(x -2)(x +2)(x -4)(x +4) = x(x² -4)(x² -16)  = x⁵ -20x³ +64x

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Since we're only interested in the units digit, we can find the mod 10 value of this to be ...

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  7(7⁴ +4) = 7(1 +4) = 5 . . . . mod 10

  9(9⁴ +4) = 9(1 +4) = 5 . . . . mod 10

In every case, the units digit of 101z will be 5.

4 0
2 years ago
Timy found 4 quarters, 8 dimes, 2 nickels, ando 9 pennies under the couch cushions. How mu have money did he find?
suter [353]
The amount of money found under the couch cushion is $1.99 

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4 years ago
Given f(x)=-x+7 and g(x)=f(x+4) write a function for function g
finlep [7]

\begin{array}{llrlll}f(x) = -x +7&~\hspace{10em} &f\left( \boxed{x+4} \right) &=& \boxed{-x+4}+7\\\\&&g(x) &=& -x+11\end{array}

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