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lord [1]
3 years ago
9

Ok this is needed because ya know homework, go in order pleaseeeeee tyy

Mathematics
1 answer:
Ksju [112]3 years ago
5 0

1. 1/3

2.1/3

3.3/36

this is because probability is equal to favourable outcome/total outcome. in this case, favourable outcome is the outcome that is asked in the question and total outcome is all the possibilities

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Is x^(-2)+5 a polynomial expression? Why or why not?
Lynna [10]

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it is not because a polynomial cannot have a negative power

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Identify the percent rate of change in exponential function y=(0.9)
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90

Step-by-step explanation:

0.9 multiplied by 100 to turn it into a percentage is 90.

5 0
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Read 2 more answers
The sum of liz's and melinda's ages is 28. if liz was 1/3 melinda's age 6 years ago, how old will liz be next year?
Mrrafil [7]
The first thing we must do for this case is to define variables:
 We have then:
 x: liz's age
 y: melinda's age
 We now write the system of equations:
 x + y = 28

x-6 = (1/3) (y-6)
 By solving the system graphically we have that the age of each one is currently:
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 y = 18
 Next year, the age of liz is:
 x + 1 = 10 + 1 = 11

 Answer:
 
Next year, Liz's age is 11 years.
 
Note: see attached image for the graphic solution.

3 0
3 years ago
We have a biased coin (probability of heads is equal to 1/4). Consider the following 2 step process: In the first step we flip t
Mademuasel [1]

Answer:

See the attached pictures for answer.

Step-by-step explanation:

See the attached picture for detailed explanation.

6 0
3 years ago
6. What is the y-value to the solution of<br> y = 5x -4<br> y = 2x + 8?
Angelina_Jolie [31]

Answer:

y = 16, don't know if I'm 100% right but hope this helps.

Step-by-step explanation:

since they both equal Y they may be equal to each other

Then you would subtract 2x from both sides canceling it out on one side

2x + 8 = 5x - 4

-2x         -2x

This would make the equation 8 = 3x - 4

next you add the 4 from both sides

8  = 3x - 4

+4         +4

This will leave you with 12 = 3x

now you divide 3 from both sides and 12/3 = 4 makes X = 4

next you take (4) and plug it in to one of the equations

y = 2(4) + 8

y = 8 + 8

y = 16

8 0
3 years ago
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