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Scilla [17]
3 years ago
10

Two rational expressions have denominators of 2x + 3 and 3 + 2x. Can you find their sum by simply adding their numerators and pl

acing the sum over 2x + 3? Explain.
Mathematics
1 answer:
horrorfan [7]3 years ago
4 0
Okay i haven't done this years but base on my knowledge it think that the answer is 6 and that because:
(2x+3) + (3-2x)
(2x+2x+3) +(3-2x+2x)      (what ever you to one side you do the next and that why it cancel each other)
3+3=6
that my explanation hope this help


 
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There are two spinners containing only white and green slices. Spinner A has 4 white slices and 1 green slice. All the slices ar
MrRa [10]

Answer:

Step-by-step explanation:

Ok, lets list the important things

  • only green and white slices
  • all slices same size
  • spinner A has 4/5 white slices and 1/5 green slices
  • spinner B has 3/12 white slices and 9/12 green slices

The 4 options are:

  • spinner B lands on a green slice
  • spinner A lands on a white or green slice
  • spinner A lands on a white slice
  • spinner B lands on a yellow slice

We already know that choice 2 is 100% probable and option 4 is 0% probability, because in option 2, the spinner A ONLY has white or green slices so the spinner must land on the slice. In option 4, no matter which spinner is spun no yellow slices are available to land on.

the chance of option 1 happening is 9/12 which is 3/4 which is 75%

the chance of option 3 of happening 4/5 which is 80%

option 1 has a 75% chance

option 2 has a 100% chance

option 3 has an 80% chance

option 4 has a 0% chance

this means that the order is:

1. option 4

2. option 3

3. option 1

4. option 2

because it is least likely to most likely.

hope this helped you out and if you need any questions feel free to ask

good luck in maths!

-cheesetoasty

7 0
2 years ago
What is the value of x in the equation 3x-4y=65 when y =4
Dovator [93]
3x - 4(4) = 65

First, simplify 4 × 4 to get 16. / Your problem should look like: 3x - 16 = 65
Second, add 16 to both sides. / Your problem should look like: 3x = 65 + 16
Third, simplify 65 + 16 to 81. / Your problem should look like: 3x = 81
Fourth, divide both sides by 3. / Your problem should look like: x = \frac{81}{3}
Fifth, simplify \frac{81}{3} to 27. / Your problem should look like: x = 27

Answer: x = 27

5 0
3 years ago
Please help im gonna scream im so confuesed :(
iren [92.7K]

Answer:

14^{-17}

Step-by-step explanation

using the rules of exponents,  it would be 14^{10}÷14^{27} so then take away 27 from 10 and get -17 meaning that the answer would be A or 14^{-17}

5 0
2 years ago
Read 2 more answers
Simplify the following expression as a<br> monomial:<br><br> -8a8<br> ———-<br> -2a7
Likurg_2 [28]

Answer:

4a

Step-by-step explanation:

-8 / -2 = 4

a^8/a^7 = a^(8 - 7) = a

Answer: 4a

8 0
2 years ago
What is an advanced math equation? Don't tell me the answer!
Leviafan [203]

Answer:

If 3x−y=12, what is the value of 8^x/2^y ?

Step-by-step explanation:

this is an SAT question

3 0
3 years ago
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