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Katen [24]
3 years ago
7

Jonathan's preschool class has 9 girls and 6 boys. Which proportion can be used to determine the percent, P, of boys in class?

Mathematics
2 answers:
dimulka [17.4K]3 years ago
7 0

Answer:

B

Step-by-step explanation:

you are comparing percent to percent and total boys to total class.

Nataliya [291]3 years ago
4 0

Answer:

<em>P</em><em>/</em><em>1</em><em>0</em><em>0</em><em>=</em><em>6</em><em>/</em><em>9</em>

Step-by-step explanation:

P represent percentage and percentage is 100. so

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Three stamps can be attached to each other in various ways.how many ways might three stamps be attached?
ivanzaharov [21]
Let's call the stamps A, B, and C. They can each be used only once. I assume all 3 must be used in each possible arrangement.
There are two ways to solve this. We can list each possible arrangement of stamps, or we can plug in the numbers to a formula. 
Let's find all possible arrangements first. We can easily start spouting out possible arrangements of the 3 stamps, but to make sure we find them all, let's go in alphabetical order. First, let's look at the arrangements that start with A:
ABC
ACB
There are no other ways to arrange 3 stamps with the first stamp being A. Let's look at the ways to arrange them starting with B:
BAC
BCA
Try finding the arrangements that start with C:
C_ _
C_ _
Or we can try a little formula; y×(y-1)×(y-2)×(y-3)...until the (y-x) = 1 where y=the number of items.
In this case there are 3 stamps, so y=3, and the formula looks like this: 3×(3-1)×(3-2).
Confused? Let me explain why it works.
There are 3 possibilities for the first stamp: A, B, or C. 
There are 2 possibilities for the second space: The two stamps that are not in the first space.
There is 1 possibility for the third space: the stamp not used in the first or second space. 
So the number of possibilities, in this case, is 3×2×1.
We can see that the number of ways that 3 stamps can be attached is the same regardless of method used.


8 0
3 years ago
Which table shows no correlation?
Veseljchak [2.6K]

Instead of adding 6 three times, you can multiply 6 by 3 and get 18, the same answer.

Similarly,

6 + 6 + 6 + 6 + 6 + 6 + 6 = 6 × 7 = 42

3 0
2 years ago
Yuhhhhhhhhhhhhhhhh I need help
baherus [9]

Answer:

JUST DO 3.142 X 10

ANSWER: 31.42 IN

Step-by-step explanation:

<em><u>Please mark as brainliest</u></em>

Have a great day, be safe and healthy

Thank u  

XD

4 0
2 years ago
How is it possible for the whale watching adventure and volcano tour charge you for a zero hour tour?
yanalaym [24]
You could have stayed in one place

I think
5 0
3 years ago
If f(x) = 5x - 3, what is f(x) when x = 9?
vlada-n [284]

Answer: 42.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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