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Archy [21]
3 years ago
6

Can come one help me with this please?

Mathematics
2 answers:
Lera25 [3.4K]3 years ago
7 0
Explanation:

If there are 7 options (7 tiles) but only 2 possibilities (2 tiles with the number one), our probability could be expressed as:

2/7 or 29% approximately for the first tile.


He has 


Hope it helped,

Happy homework/ study/ exam!
never [62]3 years ago
4 0
Make them fractions.
The denominator would be 7.
Since it's NOT replaced, the total will be changed.
There are two 1 tiles.

1/7 * 2/6 = x
1 * 2 = 2
7 * 6 = 42

2/42 -> 1/21
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What is the value of the sum of all the terms of the geometric series 300, 60, 12, …?
ruslelena [56]
<h3>Answer:   375</h3>

=========================================

Work Shown:

a = 300 = first term

r = 60/300 = 0.2 = common ratio

We multiply each term by 0.2, aka 1/5, to get the next term.

Since -1 < r < 1 is true, we can use the infinite geometric sum formula below

S = a/(1-r)

S = 300/(1-0.2)

S = 300/0.8

S = 375

----------

As a sort of "check", we can add up partial sums like so

  • 300+60 = 360
  • 300+60+12 = 360+12 = 372
  • 300+60+12+2.4 = 372+2.4 = 374.4
  • 300+60+12+2.4+0.48 = 374.4+0.48 = 374.88

and so on. The idea is that each time we add on a new term, we should be getting closer and closer to 375. I put "check" in quotation marks because it's probably not the rigorous of checks possible. But it may give a good idea of what's going on.

----------

Side note: If the common ratio r was either r < -1 or r > 1, then the terms we add on would get larger and larger. This would mean we don't approach a single finite value with the infinite sum.

3 0
3 years ago
What is the slope of the line?
KIM [24]

Answer:

Slope = -\frac{1}{3}

Step-by-step explanation:

6 0
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How would I do this problem? In trapezoid PQRS, PQ is parallel to SR. Find the area of PQRS. Leave your answer is simplest radic
Mrac [35]
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7 0
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Write .24... as a fraction in simplest form.
Tcecarenko [31]

Answer:

6/25

Step-by-step explanation:

6/25

5 0
3 years ago
NEED HELP! no links as answer pls
Nikolay [14]
-2* F




You do +3 +2 -4 -1 which equals to 0. Then you do 0 plus -2 which equals -2*F.
7 0
3 years ago
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