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tatuchka [14]
3 years ago
12

Help meeeeeeeeeeee with all of these questions

Mathematics
1 answer:
kaheart [24]3 years ago
6 0
Answer:
1. Step 2: 2a-6+6 Step 3: 2a
2. Step 2: 8(2d+3)

Step by step explanation:
Here’s my work form what I seen:

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Solve for c.<br><br> 3c − 2 = 7<br><br> c =
son4ous [18]

Answer:

Exact Form:

c  =   − 1 2

Decimal Form:

c  =  − 0.5

Step-by-step explanation:

7 0
3 years ago
Read 2/3 pages in an hour how long would it take to read 20 pages
maw [93]
It would take you about 13.3 hours to read 20 pages
6 0
3 years ago
Abigail shows up at a restaurant that has 30 tables 12 of them are booth and 18 of them are tables with chairs what is the proba
elixir [45]
30 divided by 12 will give you the percentage 40% , or c
8 0
3 years ago
Read 2 more answers
Each letter of the word "supercalifragilisticexpialidocious" is placed into a bag and drawn at 3 times, replacing the letter aft
Makovka662 [10]

Answer:

P(X ≥ 1) = 0.50

Step-by-step explanation:

Given that:

The word "supercalifragilisticexpialidocious" has 34 letters in which 'i' appears 7 times in the word.

Then; the probability of success = 7/34 = 0.20588

Using Binomial distribution to determine the probability; we have:

P(X = x)  = ^nC_x  \ \beta^x   \  (1 - \beta)^{n-x}

where;

x = 0,1,2,...n    and    0  <  β   <   1

and x represents the  number of successes.

However; since the letter is drawn thrice; the probability that the letter "i" is drawn at least once can be computed as:

P(X ≥ 1) = 1 - P(X< 1)

P(X ≥ 1) = 1 - P(X =0)

P(X \ge 1) =  1 - \bigg [ {^3C__0} (0.21)^0 (1-0.21)^{3-0} \bigg]

P(X \ge 1) =  1 - \bigg [ 1 \times 1 (0.79)^{3} \bigg]

P(X ≥ 1) = 1 - 0.50

P(X ≥ 1) = 0.50

4 0
3 years ago
How many yards are in 100 meters
Mama L [17]
109.361

hope this helps
6 0
3 years ago
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