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Lynna [10]
3 years ago
6

Which of the numbers is irrational? A) 2.3 B) √3 C) √4 D) 1/3

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
8 0
Irrational number is <span>√3

Hope it helps</span>
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Which strategy best explains how to solve this problem?
Rufina [12.5K]
This is a geometric sequence because each term is twice the value of the previous term.  So this is what would be called the common ratio, which in this case is 2.  Any geometric sequence can be expressed as:

a(n)=ar^(n-1), a(n)=nth value, a=initial value, r=common ratio, n=term number

In this case we have r=2 and a=1 so

a(n)=2^(n-1)  so on the sixth week he will run:

a(6)=2^5=32

He will run 32 blocks by the end of the sixth week.

Now if you wanted to know the total amount he runs in the six weeks, you need the sum of the terms and the sum of a geometric sequence is:

s(n)=a(1-r^n)/(1-r)  where the variables have the same values so

s(n)=(1-2^n)/(1-2)

s(n)=2^n-1 so 

s(6)=2^6-1

s(6)=64-1

s(6)=63 blocks

So he would run a total of 63 blocks in the six weeks.
4 0
2 years ago
Read 2 more answers
Need help with this question plz!!
mel-nik [20]

Let us consider the image on the left that is the image in which 1 and 2 , 3 and 4 are connected as image 1 and the other as image 2.

1. All Vertices are connected by the least amount of edges. True

2. Vertex 1 and 2 are not connected. This is false for image

1 and true for image 2

3.  Vertex 3 and 4 are not connected. This is false for image

1 and true for image 2

4. You can get to Vertex 1 from Vertex 4 by going through Vertex 3. This is true for image 1

5 0
3 years ago
Read 2 more answers
Hannah has another candle that is 14 cm tall. How fast must it burn in order to also be 6 cm tall after 4 hours? Explain your th
RideAnS [48]

Answer:

The candle must burn at 2cm per hour in order to be 6cm tall after 4 hours. I know this because the candle has to burn 8cm in 4 hours and that amounts to 2cm per hour.

Step-by-step explanation:

Lets solve!

We have to find out how much of the candle needs to be burned!

14cm - 6cm = 8cm

The candle must burn 8cm in 4 hours!

Lets find out how much the candle burns in 1 hour.

\frac{8cm}{4hours}= 2cm per hour

The candle must burn at 2cm per hour in order to be 6cm tall after 4 hours. I know this because the candle has to burn 8cm in 4 hours and that amounts to 2cm per hour.

Woohoo, We did it! <u>Would you like to mark my answer as brainliest?</u> I would love that!

6 0
3 years ago
Solve for x:<br> (x+4) = 7.(1 point)<br> 2<br> Ox=3<br> Ox=5<br> Ox=6<br> O x = 10
MArishka [77]

Answer:

A

Step-by-step explanation:

So we have the equation:

x+4=7

To solve for x, subtract 4 from both sides:

(x+4)-4=(7)-4

The left side cancels. Subtract on the right:

x=3

So, the value of x is 3.

And our answer is A.

And we're done!

5 0
3 years ago
Line RS find the slope
lesantik [10]

Answer:

3

Step-by-Step explanation:

7 0
3 years ago
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