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Drupady [299]
3 years ago
14

Find an explicit rule for the nth term of the sequence. -3, -15, -75, -375, ...

Mathematics
2 answers:
Helga [31]3 years ago
6 0

The answer is B, I have just confirmed it.

koban [17]3 years ago
4 0
It's a geometric progression where
a=-3\\
r=5

a_n=ar^{n-1}\\
a_n=-3\cdot5^{n-1}

You might be interested in
1+w=3<br> what is the answer to this equation
pshichka [43]

Answer:

w=2

Step-by-step explanation:

1+w=3

-1     -1

w = 2

8 0
3 years ago
If 15 pies will serve 120 people, how many pies are needed for 152 people?
Alborosie
15pies..................120p \\ x..........................152p \\ \\ x=\frac{15*152}{120} \\ \\ \boxed{x=19}
7 0
3 years ago
Let A be the set of all lines in the plane. Define a relation R on A as follows. For every l1 and l2 in A, l1 R l2 ⇔ l1 is paral
Lyrx [107]

Answer:

Hence, the relation R is a reflexive, symmetric and transitive relation.

Given :

A be the set of all lines in the plane and R is a relation on set A.

R=\{l_1,l_2\in A|l_1 \;\text{is parallel to}\; l_2\}

To find :

Which type of relation R on set A.

Explanation :

A relation R on a set A is called reflexive relation if every a\in A then (a,a)\in R.

So, the relation R is a reflexive relation because a line always parallels to itself.

A relation R on a set A is called Symmetric relation if (a,b)\in R then (b,a)\in R for all a,b\in A.

So, the relation R is a symmetric relation because if a line l_1 is parallel to the line l_2 the always the line l_2 is parallel to the line l_1.

A relation R on a set A is called transitive relation if (a,b)\in R and (b,c)\in R then (a,c)\in R for all a,b,c\in A.

So, the relation R is a transitive relation because if a line l_1 s parallel to the line l_2 and the line l_2 is parallel to the line l_3 then the always line l_1 is parallel to the line l_3.

Therefore the relation R is a reflexive, symmetric and transitive relation.

7 0
3 years ago
The difference between 7/10 and 3 2/5​
Cloud [144]

Answer:

2 7/10

Step-by-step explanation:

To find difference we subtract.

3 2/5 - 7/10 = 2 7/10

The answer is 2 7/10. Please mark brainliest if possible.

8 0
2 years ago
After graduation your first job is with abibas inc., a company that specializes in sportswear with collegiate logos. to improve
Aleksandr [31]

The probability that the new UNC-CH logo will be profitable is <u>0.9897 </u>while the probability for NC State will be <u>0.9600.</u>

<h3 /><h3>What is the probability that the brands will be successful?</h3>

The probability that the UNC-CH logo is successful is:

= Favorable odds / Total odds

= 96 / (96 + 1)

= 0.9897

The probability that the NC State logo is profitable is:

= Favorable odds / Total odds

= 24 / (24 + 1)

= 0.9600

There is less than a 3% variation in both logos' profitablility probability so the company should not spend 4 times more on UNC-CH.

Find out more on probabilities of profit at brainly.com/question/13500115.

#SPJ1

4 0
2 years ago
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