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kenny6666 [7]
3 years ago
14

A brother and a sister are in the same math class. There are 8 boys and 10 girls in the class. One boy and one girl are randomly

chosen. What is the probability that the brother and sister are chosen? Write your answer as a fraction in simplest form.
Mathematics
2 answers:
lara31 [8.8K]3 years ago
8 0
Well, there are 8 boys and the brother is one of them so 1 is 12.5% of 8 and out of 10 girls, there 1 is the sister and 1 out of 10 is 10%. Now we multiply the percentages to get the answer 1/80
Dima020 [189]3 years ago
7 0

Answer:

1/18

Step-by-step explanation:

I think but I'm not sure

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He drew a hexagon
hexa = 6
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A circle has a diameter of 12 inches. What is the best approximation of its area? Use 3.14 to approximate for π .
sp2606 [1]

Answer:

C. 113.04 in'2

Step-by-step explanation:

STEP 1:

3.14 x 6'2 ~ 113.04

EXPLANATION:

The formula for solving the area of a circle is- <u>3.14 x r'2</u>

<u>r=radius</u>

<u></u>

<h2><u><em>HOPE THIS HELPS! GOD BLESS YOU! :D</em></u></h2>
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How many total gallons of milk are needed to make 96 muffins everyday for 30 days
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How much milk is needed for 1 day?
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You currently have a 67% in class. You have 2 more assignments a quiz which is 10% and a project worth 45%. Lets say I get a 100
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6 0
3 years ago
Help pls pls pls pls
adelina 88 [10]

Answer:

m∠1= 41°

m∠2= 85°

m∠3= 95°

m∠4= 85°

m∠5= 36°

m∠6= 49°

m∠7= 106°

Step-by-step explanation:

<u>To find m∠2</u>

95+m∠2= 180

-95             - 95

m∠2= 85

<u>To find m∠4</u>

Since they are vertical angles, m∠2=m∠4, that means that they are both 85°

<u>To find m∠1</u>

There is four angles in this shape, so the sum is 360 degrees.

90+144+85+m∠1= 360

319+m∠1= 360

-319            -319

m∠1= 41°

<u>To find m∠5</u>

144+m∠5= 180

-144             -144

m∠5= 36°

<u>To find m∠6</u>

m∠5+m∠3+m∠6= 180

36+95+m∠6= 180

131+m∠6= 180

-131             -131

m∠= 49°

<u>To find m∠7</u>

You need to find the sum of the other unidentified angle.

m∠6+m∠=180

49+m∠= 180

-49            -49

m∠= 131

Now you need to find the sum of all the angles in the quadrilateral to get the measure for angle 7.

131+38+85+m∠7= 360

254+m∠7= 360

-254            -254

m∠= 106°

4 0
3 years ago
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