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Brut [27]
3 years ago
5

Which inverse operation is used to solve -15.75=2.5x

Mathematics
1 answer:
Kruka [31]3 years ago
8 0

Answer:

addition

Step-by-step explanation:

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PT=7x-24 and TQ=6x-2, Find PT.
Nastasia [14]
We can't find what PT exactly is because we don't know TQ or x.  However, we can find PT in terms of TQ!

Multiply the second equation by seven sixths to get:

\frac{7TQ}{6}=7x- \frac{7}{3}

Subtract \frac{65}{3} from both sides to get:

\frac{7TQ}{6}- \frac{65}{3}=7x-24

Substituting PT for 7x-24, we see that:

PT= \frac{7TQ}{6} - \frac{65}{3}, which is our answer.
4 0
4 years ago
Suppose that two teams are playing a series of games, each of which is independently won by team A with probability p and by tea
Lady_Fox [76]

Answer:

4 games played = 1/56

5 games played = 5/56

6 games played = 15/56

7 games played = 35/56

Step-by-step explanation:

The probability of each time winning is 0.5

So there are a couple of ways the series could go.

  1. Team A could win all first 4 matches. We can depict this as A-A-A-A
  2. Team A could win 4, while having lost 1.  Lets depict this a A-B-A-A-A
  3. Team A could win 4, while having lost 2. A-B-B-A-A-A
  4. Team A could win 4, while having lost 3. A-B-B-B-A-A-A

These 4 possibilities could be repeated with B winning as well. It should be noted that these are the only ways for the series to end. We find the number of permutations of each possibility above to find their probability.

I advise you to study 'how to permute identical objects' for this.

These permutations are stated below:

1. 4!/4! = 1

2. \frac{5!}{4! * 1!} = 5

3 \frac{6!}{4! * 2!} = 15

4 \frac{7!}{4! * 3!} = 35

These are they ways A or B could win. The total is 1+5+15+35 = 56. The answer given thus reflects the possibilities.

4 0
4 years ago
Find the missing measure and write your solution on the blank provided
photoshop1234 [79]

Answer:

5: c=65  d=125  e=60

6: c= 58 d= 121 e=63

7. a=55 b=64 c=61

8. a=61 b=55 c=64

Step-by-step explanation: :)

4 0
3 years ago
6 times the difference of a number and 3 is more than 24
Viefleur [7K]

Answer:

the number is 8

Step-by-step explanation:

8-3=5

6•5=30>24

expression: 6(x-3)>24

4 0
3 years ago
C (5,4) and D (3,10) find the length
soldi70 [24.7K]
The distance between the two points would be the square root of 40. Hope this helped!
4 0
3 years ago
Read 2 more answers
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