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belka [17]
3 years ago
10

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
1 answer:
Serggg [28]3 years ago
4 0

|\Omega|=8\cdot10=80\\ |A|=1\\\\ P(A)=\dfrac{1}{80}

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Plz help<br> Will be marked BRAINLIEST!!!!!!
mariarad [96]

Answer:

2b + 88 = 180

Step-by-step explanation:

Hope this helps

6 0
2 years ago
Read 2 more answers
Solve:
Snowcat [4.5K]
4x+11 is The answer

-2x-(-6x) two negatives make a positive so -2x-(-6x) is now -2x+6x
-2x+6x=4x

4-(-7) again two negatives make a positive so 4-(-7)
Is now 4+7
4+7=11
I hope that this was helpful if so Mark as brainliest
8 0
3 years ago
-7 2/3 + ( -5 1/2 ) + 8 3/4 = ? <br><br> A: -4 5/12 <br> B: -21 11/12 <br> C: -4 2/3 <br> D: 6 7/12
frez [133]

Answer:

-4 5\12

Step-by-step explanation:

Identify the Least Common Denominator, 12, then just simply evaluate.

8 0
3 years ago
FIND THE VALUE OF X<br> l m a o ignore the cursor xD
Mrac [35]

Answer:

x=10

Step-by-step explanation:

the angle is 90 degrees

90-29=61

61-1=60

60÷6=5

x=10

have a good day

5 0
3 years ago
Read 2 more answers
The perimeter of a square is 40 inches...Determine the area of the square ... A.) 160 square inches B) 10 square *inches C) 100
marysya [2.9K]
P=4s

s=p/4

a=s^2, using s found above

a=p^2/16, we were told that p=40 so

a=40^2/16

a=100 in^2
4 0
3 years ago
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