All categories

2 years ago

Prove algebraically that 8.99999... = 9

Mathematics

2 answers:

kirill115 [55]2 years ago

8 0

1/9 = 0.111...
9/9 = 0.999... but also 1 because 9 divided by 9 is 1. Add 8 to both sided to get 8.9999... and 9

Jobisdone [24]2 years ago

5 0

You can't, it has been done before but there is a fault in the working because the 2 numbers are different. If you want to see a video of someone attempt it, I believe there is a video on the numberphile channel.

Hope this helps :)

You might be interested in

True or False 2 is a root of x^6-9x^4+24x^2-16=0 two times

son4ous [18]

Answer:

True

Step-by-step explanation:

No need for explanation

8 0

3 years ago

Shaylee is determining if 6 is the solution to the equation.

Mariulka [41]

Answer:

please give me brainlist and follow

Step-by-step explanation:

42 ÷ w = 7 for w = 6. First, Shaylee must substitute ( ) for ( ). To simplify, Shaylee must divide ( ) by ( ) .

4 0

2 years ago

16.5.3 Quiz: Rounding with Decimals

amm1812

Answer:

201

Step-by-step explanation:

If a number is 5 or over, then you round a number up. However, if it is less than 5, then you keep the same number.

6 0

2 years ago

Read 2 more answers

Help fast plz I am so sleepy

Andreas93 [3]

Answer:

no,no,yes,no

Step-by-step explanation:

Function: 12<=w-27

First one: W=34 34-27=7 7 is not greater than or equal to 12

Second one: W=36 36-27=9 9 is not greater than or equal to 12

Third one: W=45 45-27=18 18 is greater than or equal to 12

Last one: W=37 37-27=10 10 is not greater than or equal to 12

Hopefully you can go to be now!

7 0

3 years ago

Find the area of the given circle. Round to the nearest tenth.

Paha777 [63]

$diameter=12\ ft\\\\diameter=2\ radius\\\\2r=12\ ft.\ \ \ /:2\\r=6\ ft.\\\\A=\pi r^2\\\\A=\pi\cdot6^2=36\pi\ (ft^2)\approx36\cdot3.14=113.04\ (ft^2)\approx113.0\ (ft^2)$

8 0

3 years ago