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otez555 [7]
3 years ago
15

The teacher decides that no student can win twice, so she removes the tickets of the first winner before drawing the second winn

er. What is the probability that she draws Kitzen first and then Ava second? Use a / to represent a fraction bar.

Mathematics
1 answer:
trasher [3.6K]3 years ago
4 0

Answer:

3/4

Step-by-step explanation:

Take Kitzen's number of raffle tickets and put them over Ava's tickets to give you 12/16 and the simplify which gives you 3/4 because the fraction is divisible by 4.

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Multiply out and simplify the expression (n+1)^2-(n+1)+1​
topjm [15]

Answer:

7-5n

Step-by-step explanation:

first you multiply both sides and get the equation 2n+2-7n+7 then you rearange the numbers to 2n-7n +2+7 and get -5n+7. you can change that to 7-5n.

7 0
3 years ago
Read 2 more answers
Can someone please help me with this
Nezavi [6.7K]

Answer:

3.72 x 100000000= 372000000

1.2 x 100000 = 120000

Step-by-step explanation:

idek

6 0
3 years ago
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Y + 1= 4/5(x+4) in standard form is
aleksklad [387]

Answer:

4x - 5y = -11

5 0
2 years ago
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Determine the sample size required to estimate the mean score on a standardized test within 4 points of the true mean with 98% c
Darina [25.2K]

Answer:

67

Step-by-step explanation:

You have to use fractions to show your work and I'm not going to do that but just know that it is the answer.

3 0
2 years ago
–6 < 2x – 4 < 4 solve the inequality
Ira Lisetskai [31]

Answer:

The answer is

<h2>- 1 < x < 4</h2>

Step-by-step explanation:

<h3>- 6 < 2x - 4 < 4</h3>

First of all add 4 to both sides of the inequality to make 2x stand alone

That's

<h3>- 6 + 4 < 2x - 4 + 4 < 4 + 4 \\  - 2 < 2x < 8</h3>

Divide both sides of the inequality by 2 inorder to find x

That's

<h3>\frac{ - 2}{2}  <  \frac{2x}{2}  <  \frac{8}{2}</h3>

We have the final answer as

<h3>- 1 < x < 4</h3>

Hope this helps you

6 0
3 years ago
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