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34kurt
2 years ago
12

PLs help

Mathematics
1 answer:
Allisa [31]2 years ago
8 0

hope this helps :)

Answers:

1a: I can predict that Flower Garden and Butterlfies and Ladybugs are the two more likely to be chosen, over April Showers.

1b: These percentages I got can prove my theory of that the probability of choosing April Flowers is much lower than the two other options.

Flower Garden: 35/78 ≈ 45%

April Showers: 16/78 ≈ 21%

Butterflies and Ladybugs: 27/78 ≈ 34%

2a: What you should NOT do is conclude which two will be picked.

2b: Although you can predict, based on percentages or other things. You cannot make such a conclusion with the choice being random.

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Select each expression that is equivalent to 18x + 3.
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Answer:

21 is the answer for 18x +3

Step-by-step explanation:

18x + 3

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x=21

7 0
3 years ago
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Which statement describes if there is an extraneous solution to the equation √x-3 = x-5? A. there are no solutions to the equati
Brrunno [24]
Remember that <span>an extraneous solution of an equation, is the solution that emerges from solving the equation but is not a valid solution.
 
Lets solve our equation to find out what is the extraneous solution:
</span>\sqrt{x-3} =x-5
(\sqrt{x-3})^2 =(x-5)^2
x-3=x^2-10x+25
x^2-11x+28=0
(x-4)(x-7)=0
x-4=0 and x-7=0
x=4 and x=7
<span>
So, the solutions of our equation are </span>x=4 and x=7. Lets replace each solution in our original equation to check if they are valid solutions:
- For x=7
\sqrt{x-3} =x-5
\sqrt{7-3} =7-5
\sqrt{4} =2
2=2
We can conclude that 7 is a valid solution of the equation.

- For x=4
\sqrt{x-3} =x-5
\sqrt{4-3} =4-5
\sqrt{1} =1
1 \neq 1
We can conclude that 4 is not a valid solution of the equation; therefore, 4 is a extraneous solution.

We can conclude that the correct answer is: <span>D. the extraneous solution is x = 4</span>
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There are 12 tickets needed. Just add all the 4's together.
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