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3 years ago

14

I am a number between 20 and 30. I am not divisible by 6. and the sum of my factors is 31. What number am I?

1 year ago

why

1 year ago

and how are we supposed to know

1 answer:

Soloha48 [4]3 years ago

5 0

The answer to the question is 25.

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Suppose you have the following recursion formula a1 = 1, a2 = 2, and an = a(n - 1)+ a(n - 2) for integers n ≥ 3. How would you d

Firlakuza [10]

$\left\{\begin{array}{ccc}a_1=1\\a_2=2\\a_n=a_{n-1}+a_{n-2}&for\ n\geq3\end{array}\right\\\\a_3=a_{3-1}+a_{3-2}=a_2+a_1\to a_3=2+1=3\\\\a_4=a_{4-1}+a_{4-2}=a_3+a_2\to a_4=3+2=5\\\\a_5=a_{5-1}+a_{5-2}=a_4+a_3\to a_5=5+3=8\\\vdots$

6 0

2 years ago

Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest

Karolina [17]

Answer:

1/2 or 50%

Step-by-step explanation:

There are 4 total cards

The number of odd or 5 is 3 or 5 so a total of 2 choices

P(5 or odd) = { 5 or odd}/ total

= 2/4

=1/2

8 0

2 years ago

Read 2 more answers

A store had 5 packs of paper for $7.80. How much would it cost if you were to buy 3 packs

valentina_108 [34]

To buy 3 packs, the cost would be $4.68

4 0

2 years ago

A rectangular mat has an area of 7/12 in2. The length of the mat is 5/6 in. What is the width of the mat

Pie

Step-by-step explanation:

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8 0

2 years ago

If f(x)=3x-2 and g(x)=2x+1 find(f-g)(x)

Solnce55 [7]

Answer:

(f-g)(x) = x-3

Step-by-step explanation:

f(x)=3x-2

g(x)=2x+1

(f-g)(x)= 3x-2 - ( 2x+1)

Distribute the minus sign

3x -2 -2x -1

Combine like terms

x-3

4 0

2 years ago