Answer:
Not sure if its right
Step-by-step explanation:
A+B=118°
(5x+8)°=118°
13x°=118°
13x/13=118/13
x=9.07
Your best option for this particular problem is to use elimination method.
-x + 2y = -6
3x + 2y = 2
Multiply the top equation by -1.
x - 2y = 6
3x + 2y = 2
Add both equations together.
4x = 8
Divide by 4.
x = 2
Now plug in x into one equation of your choice.
3(2) + 2y = 2
6 + 2y = 2
Subtract 6 from both sides to isolate the variable.
2y = -4
Divide by 2.
y = -2
So your solution is (2,-2)
This is what it would look like in a graph below↓
I hope this helps love! :)
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It is given that getting boy or girl is equally likely. The chance of getting boy or girl on birth is 1/2
P(Boy) = P(Girl) =0.5
If a couple plans to have 8 children then probability of getting at least one girl is
P(Al least one girl out of 8 children) = 1 - P(No girl in 8 children)
= 1 - P( Getting all boys in 8 children)
= 1 - (0.5)^8
= 1 - 0.0039
P(At least one girl out of 8 children) = 0.9961
The probability of getting at least one girl out of 8 children is 0.9961.
The probability 0.9961 is high enough for the couple to be very confident that they will get at least one girl in 8 children
By the converse of the basic proportionality theorem, we can say DE║AB.
We need to check whether DE is parallel to AB.
<h3>What is the converse of the basic proportionality theorem?</h3>
If a line divides any two sides of a triangle in the same ratio, then the line is parallel to the third side.
In triangle ABC, we can see on side AC, D is midpoint (∵AD=DC) and on side BC, E is midpoint (∵BE=CE).
Therefore, by the converse of the basic proportionality theorem, we can say DE║AB.
To learn more about the parallel lines visit:
brainly.com/question/16701300.
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