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andre [41]
3 years ago
10

A statistical survey found that 20% of cars are red, and 10% are electric cars. It was further discovered that of all cars that

are either red or electric, 50% are both red and electric. a) What is the probability P[R ∩ E] that a car is both red and electric? b) What is the conditional probability P[E|R] that a red car is electric? c) What is the conditional probability P[R|E] that an electric car is red?
Mathematics
1 answer:
Flauer [41]3 years ago
5 0
Yes is red .............
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How do you use the triangle sum theorem to find the measure of each angle in degrees ?!
TEA [102]

Answer:

The Triangle Sum Theorem is also called the Triangle Angle Sum Theorem or Angle Sum Theorem. It says that all the angles <em>inside</em> a triangle add up to 180°.

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Take a look at the picture attached. It has a "formula": ∠a+∠b+∠c=180°

Use this as it will help you a lot. You plug in the info you already know (it doesn't matter which angle is a,b,c) and solve for the missing one. :)

Ask in the comments below if you are not sure about something.

I hope that helps you! :D


6 0
3 years ago
I would really want for someone to help me, I need to turn this in tomorrow​
alukav5142 [94]

Answer:

x=0, y=0

x=8, y=4

Step-by-step explanation:

y= 1/2x

y=1/2(0)

y=0

y=1/2x

y=1/2(8)

y=4

3 0
2 years ago
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iragen [17]

Answer:

Sam

Step-by-step explanation:

Sam: Longest ski trail >3x    x = shortest ski trail

Eli: Longest ski train< 3x

Sam is correct because the longest ski trail has to be greater than the shortest and it can't be less than.

6 0
3 years ago
Find the sum and express it in simplest form (-b-5x-3)+(2b-4x+7)
vovikov84 [41]
-b - 5x - 3 + 2b - 4x + 7....combine like terms
b - 9x + 4 <==
6 0
3 years ago
Read 2 more answers
The equation of the line through point (-4,0) and parallel to the y-axis is
seraphim [82]

Answer:y=-4

Step-by-step explanation:

3 0
3 years ago
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