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-BARSIC- [3]
3 years ago
7

Question: is 1 > 0.99999999...?Prove algebraically.

Mathematics
1 answer:
Crazy boy [7]3 years ago
6 0
No.  We claim that 1=0.\overline{9} and use algebra to prove the statement.

Let x=0.\overline{9}.  Multiply this by ten to get 10x=9.\overline{9}.  Subtract the initial equation to give 9x=9 and divide by 9 to see that x=1.  Substituting into the original equation gives 1=0.\overline{9}, proving the desired statement.
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RoseWind [281]
It is a decrease by .505
3 0
3 years ago
Please help !!!
Dominik [7]

Answer:

150m^2

Step-by-step explanation:

Each square on a cube is 5 by 5 meters long.

The area of each square is 5 * 5, which is 25 square meters.

There are 6 sides on a square, so multiply 25 by 6, and you will get 150.

Please mark as Brainliest! :)

6 0
3 years ago
Read 2 more answers
tom ate 1/4 of a pizza. He divided the leftover pizza into pieces each equal to 1/12 of the Original Pizza. After he gave some f
Bezzdna [24]
To make this easy let covert everything using a LCD.

The LCD of 1/4  1/12 and 1/6  is 12. This becomes...

Tom ate 3/12 of the pizza.
Leftover pizza = 9/12.
Slices were 1/12.
X friends got pizza.
Remaining pizza is 2/12.

if each friend got 1 piece(1/12)....
9/12(Leftovers) - 2/12(remaining)  = 7/12

So 7 friends got pizza.
6 0
3 years ago
Estimate the cost of 3.2 pounds of apples .The cost of 3.2 pounds of apples is about
Lana71 [14]
138c since 1 pound of apples=43c
7 0
3 years ago
Algebra 1 polynomials hellllp​
defon
A. 40x^2 + 240x + 200
Shape: Rectangle
Formula: A = LW
A = (10x + 10)(4x + 20)
= (10x)(4x) + (10x)(20) + (10)(4x) + (10)(20)
= 40x^2 + 200x + 40x + 200
= 40x^2 + 240x + 200
————————————————————-
2. 57,600 ft^2
Width:
4x + 20 = 160
4x = 140
x = 35
Plug-In:
10x + 10
10(35) + 10
350 + 10
360 = Length
————————————-
A = LW
A = 360 • 160
A = 57,600 ft^2
8 0
2 years ago
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