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Zepler [3.9K]
3 years ago
11

N(n + 1) + 3 = 45Someone answers this brainiest is involed​

Mathematics
1 answer:
koban [17]3 years ago
3 0

Answer:

steps in the pic

Step-by-step explanation:

n=7 or n=-6

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7.500/3.125 What is written in decimal form? 3.195 A. 0.116 O B. 2.4 O c. 4.375 D. 75.3125​
Naily [24]
The answer is B: 2.4! hope this helped...
5 0
3 years ago
Find the arc length of AB. Round your answer to the nearest hundredth.
Fantom [35]

The arc length of AB is 8 m (app.)

Explanation:

Given that the radius of the circle is 8 m.

The central angle is 60°

We need to determine the arc length of AB

The arc length of AB can be determined using the formula,

arc \ length=\frac{central \ angle}{360^{\circ}} \times circumference

Substituting central angle = 60° and circumference = 2πr in the above formula, we get,

arc \ length=\frac{60^{\circ}}{360^{\circ}} \times 2 \pi(8)

Simplifying the terms, we get,

arc \ length=\frac{8 \pi }{3}

Dividing, we get,

arc \ length=8.37758041

arc \ length=8(app.)

Hence, the arc length is approximately equal to 8.

Therefore, the arc length of AB is 8 m

5 0
4 years ago
Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1111
finlep [7]

Answer:

Part A: Carie is not correct

Part B: D(2 ,1)

Step-by-step explanation:

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7 0
3 years ago
Round 2.9 to the nearest whole number.
-Dominant- [34]

Answer:

it would be 3

Step-by-step explanation:

anything above 5, goes to the nearest, (in this case, whole number)

so it would be 3. hope this helped

5 0
3 years ago
Read 2 more answers
The sum of three numbers is 141. The first number is 9 more than the third. The second number is 4 times the third. What are the
Advocard [28]

Answer:

x...third number

4x...second number

x-9...first number

(x)+(4x)+(x-9)=141

x+4x+x-9=141

6x-9=141

Let's add 9 to both sides...

9+6x-9=141+9

6x=150

Let's divide both sides by 6...

(6x)/6=150/6

x=25

third number...25

second number...(4)(25)=100

first number...(25-9)=16

Let's check our work...

25+100+16=141

141=141

6 0
3 years ago
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