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3 years ago

Please help me out on these. ASAP I will mark you as brainliest if you do and if your answers are right :))

Mathematics

1 answer:

Charra [1.4K]3 years ago

7 0

Answer:

1.6

2. Honestly, I think it is, because it repeats at regular intervals. The period is -2.

Step-by-step explanation:

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Given the geometric sequence where a1 = 3 and r = √2 find a9

Zigmanuir [339]

Answer:

$a_9=48$

Step-by-step explanation:

we are given

sequence is geometric

so, we can use nth term formula

$a_n=a_1(r)^{n-1}$

we have

$a_1=3$

$r=\sqrt{2}$

we have to find a9

so, we can plug n=9

we get

$a_9=3(\sqrt{2})^{9-1}$

$a_9=2^4\cdot \:3$

$a_9=48$

8 0

3 years ago

The thousand islands are located along the border between new york and canada. the adventure club wants to place a stone marker

Nikitich [7]

Using proportions, it is found that the number of islands that each member will have to visit is given by:

c. 19 islands.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

In this problem, there are 684 islands, and 36 members, hence the number of islands per member is given by:

n = 684/36 = 19.

Which means that option c is correct.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

8 0

2 years ago

Solve for x. 7x-3/8 = 6x-5/8 x=1 , x= -1 , x= 1/4 , X= -1/4.

Contact [7]

Answer:

-1/4

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

-5 5/6 + (-8 4/5)= what show the work

djverab [1.8K]

Answer:

-13 2/3

Step-by-step explanation:

-5 5/6 5x6= 30 4x5= 20

+ 20/30= 2/3

-8 4/5

----------- -5 + -8 = -13

-13 2/3

hope this helps

6 0

3 years ago

A group of 727272 people travel to the beach for a clean-up day. Some of the people bring their own supplies (such as gloves, wa

Leno4ka [110]

Answer:

$b+p=72$

$p=72-b$

Step-by-step explanation:

We can represent this situation with an equation that shows that when b and p are added, then the total number of people will be 72

The number of people who bring supplies = b

The number of people, to whom supplies are provided = p

We get ;

$b+p=72$

$p=72-b$

7 0

3 years ago

Read 2 more answers