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SCORPION-xisa [38]
3 years ago
15

Find fractional notation for the infinite sum (these are geometric series) 0.1919191919

Mathematics
1 answer:
Paladinen [302]3 years ago
8 0
Let x = 0.191919...
Now, we want to find some sort of relationship with x and 0.191919...

If we multiply x by 100, we get:
100x = 19.19191919...

Now, it's clear that the decimal places will cancel when we subtract it:
100x - x = 19.19191919... - 0.19191919...
99x = 19

Solving for x, we get:
x = \frac{19}{99}
You might be interested in
Please do them step by step;
ELEN [110]
For the first one c-9=(2)(4)+6
You are gonna multiply 2 and 4 first, 2*4=8. Now you have c-9=8+6. 8+6=14. So now the equation is c-9=14. Now we are going to add 9 to both sides. So c=23
For the second equation 10+y=90. We are going to subtract 10 from both sides. So, y=80.
Third, add 4 to both sides. a=10.
Fourth, subtract 8 from both sides. d=-9
Fifth, 5+2(3+4)=-x.
First we are going to add 3 and 4. 3+4=7. 5+2(7)=-x. Next we are going to multiply 2 and 7. 2*7=14. 5+14=-x. 5+14=19. So our equation is 19=-x. Next we are going to multiply both sides by -1. Making our final equation x=-19.
c=23
y=80
a=10
d=-9
x=-19
I hope that helps, if you need any further explanation just ask.<span />
3 0
3 years ago
3. Han has a fish tank that has a length of 14 inches and a width of 7 inches. Han puts in
muminat
The height of the tank is 12 inches
4 0
2 years ago
Answer this as soon as possible
kenny6666 [7]

Answer:

21+3t

If really want equation answer it would be -7 but it simplifying. :)

Step-by-step explanation:

6(4+t)-3(t+1)

Simplify parenthesis first.

24+6t-3t-3

Simplify like terms

24-3+6t-3t

21+3t

5 0
3 years ago
A student claims that 8^3 • 8^5 is greater than 1 explain whether the student is correct or not
Mumz [18]

Answer:

The expression 8^3 • 8^5 is greater than one.

Step-by-step explanation:

The expression 8^{3}*8^{5} = 8^{8} means that 8 must be multiplied 8 times by itself. Considering 8*8 = 64, every time this expression is multiplied by 8, it will become larger than 64. Since 64 > 1, the expression will be larger than one.

7 0
3 years ago
You roll a number cube. Determine the theoretical probability of rolling a 4 or a 6.
Dmitriy789 [7]

Answer:

Both of them would have a 1/6 chance of being chosen

Step-by-step explanation:

Sorry I don't know if this is the answer you are looking for :(

8 0
2 years ago
Read 2 more answers
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