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Stels [109]
3 years ago
13

Find the three arithmetic means in this sequence. 12 __ __ __ 40

Mathematics
1 answer:
Lena [83]3 years ago
6 0
To answer this question first you have to count the difference between the highest number with the lowest number.
In this case, the difference is: 40-12=28

After that, you need to determine the leaps in the sequence. In this case, there are 4 leaps.  
After that divide the difference with the leaps : 28:4=7
Therefore the sequence will be 12 , 19, 26, 33, 40
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How do i solve this problem? how did they get 2.5?
WARRIOR [948]
Take the GCF (-8t) of the given expression.

You'll get -8t(2t-5).

Now, set each equal to zero and solve for x.

-8t = 0 2t-5=0

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6 0
3 years ago
What is the probability of rolling a sum of 3 on a standard pair of six-sided dice?
salantis [7]

To solve this problem, let us recall that the formula for probability is:

Probability = total number of successful events / total events

 

Where in this case, an event is considered to be successful if the sum is 3 on the pair of six sided dice.

 

First, let us calculate for the total number of events. There are 6 numbers per dice, therefore the total number of combinations is:

total events = 6 * 6 = 36

 

Next, we calculate for the total number of combinations that result in a sum of 3. We can identify that there are only two cases that result in sum of 3. That is:

1st case: first dice rolls 1, second dice rolls 2

2nd case: first dice rolls 2, second dice rolls 1

 

Hence, total number of successful events = 2. Therefore the probability is:

Probability = 2 / 36 = 1 / 18 = 0.0556 = 5.56%

5 0
3 years ago
If (1/4) of (4/3) is subtracted from 2, what is the resulting value?
Bad White [126]
2-\dfrac{1}{4}\cdot\dfrac{4}{3}=\\
2-\dfrac{1}{3}=\\
\dfrac{6}{3}-\dfrac{1}{3}=\\
\dfrac{5}{3}
7 0
3 years ago
Gia is painting her wall. 1 liter of paint can cover 10 square meters. She has a rectangular wall that
garik1379 [7]
5*4 equals 20 so her wall is 20 square meters
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7 0
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Akiko's bill at the restaurant was $14.05. She left a tip of 18% what is the tip amount (no rounding)
kozerog [31]

Answer:

$2.52

Step-by-step explanation:

8 0
3 years ago
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