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ddd [48]
3 years ago
12

The fifth grande girl class has 120 students.girl make up 2/3 of the class how many girl are in the fifth grade class?

Mathematics
2 answers:
Vesna [10]3 years ago
6 0

Answer:If i read this right then the answer is 40 because 120 divided by 3=40 and since it 2/3 only 80 students makeup and then there 40 left

Step-by-step explanation:

creativ13 [48]3 years ago
3 0

Answer:

80

Step-by-step explanation:

180 divided by 3 = 40 times 2 equals 80

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Find the set below using A=(5,6,9), and so on (Explanation is in picture)
anzhelika [568]

The result is: {5,6,9}

Step-by-step explanation:

Given

U = {0,1,2,......,10}

A = {5,6,9}

B = {0, 6, 7, 10}

We have to find

(A∩B)U(A∩B')

First of all,

<u>B':</u>

B' = U -B = {0,1,2,......,10} -  {0, 6, 7, 10}

= {1,2,3,4,5,8,9}

<u>A∩B':</u>

A∩B' = {5,6,9} ∩ {1,2,3,4,5,8,9}

= {5,9}

<u>A∩B:</u>

A∩B = {5,6,9} ∩ {0, 6, 7, 10}

={6}

At the end we have to find union

(A∩B)U(A∩B') = {6} U {5,9}

(A∩B)U(A∩B') = {5,6,9}

Hence,

The result is: {5,6,9}

Keywords: Sets , Union

Learn more about sets at:

  • brainly.com/question/3126500
  • brainly.com/question/3306327

#LearnwithBrainly

8 0
2 years ago
A chemist mixes a 10% hydrogen peroxide solution with a 25% hydrogen peroxide solution to create 30 liters of a 15% hydrogen per
kupik [55]
The answer is 20 liters.
6 0
3 years ago
Read 2 more answers
Which point is collinear with points a and d
Art [367]
B. (6, -8)

First, you need to figure out the slope of the line

(y1 - y2) / (x1 - x2)

After substituting points D(-3, 4) A(3, -4)

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(8) / (-6)

The slope of the line is -8/6 or -4/3 simplified

Then you can put it in point slope form:

(y - y1) = m(x - x1)

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The point that I am using for point slope form is A(3, -4)

[y - (-4)] = -4/3(x - 3)
y + 4 = -4/3(x - 3)

Next you have to simplify the equation so that y is isolated

y + 4 = -4/3(x - 3)

First distribute the -4/3

y + 4 = -4/3(x) + (-4/3)(-3)
y + 4 = -4/3x + 4

Subtract 4 on both sides
y + 4 - 4 = -4/3x + 4 - 4
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Now that you have y = -4/3x, you can substitute the values until one of them makes the equation equal

For example) (6, -8)
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So since (6, -8) fits in the slope intercept equation, it must me collinear with points A and D

~~hope this helps~~

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Answer:

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Step-by-stes 32 p explanation:

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qwelly [4]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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