1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Bess [88]
3 years ago
12

Find the missing probability. P(A)=7/20,P(A∪B)=191/400,P(A∩B)=49/400 ,P(B)=? A. 7/8 B. 1/4 C. 117/400 D. 19/40

Mathematics
1 answer:
spin [16.1K]3 years ago
8 0

Answer:

B

Step-by-step explanation:

P(AUB)=P(A)+P(B)-P(A∩B)

191/400=7/20+P(B)-49/400

P(B)=191/400+49/400-7/20=240/400-7/20=12/20-7/20=5/20=1/4

You might be interested in
9x^3+6x^2-3x Please!!! HELP!!! need it done asap
Igoryamba

Step-by-step explanation:

9x^3+6x^2-3x

Cannot be simplified because there are no like terms but can be factored as

=3x(3x−1)(x+1)

8 0
3 years ago
Points F(3, 3), K(6, 5), J(8, 2) and L(5, 0) lie in a coordinate plane. Which lines are perpendicular?
Romashka-Z-Leto [24]
To determine if a line is perpendicular to another, you must first determine the slope...
m = y1-y2/x1-x2
m of FK = 3-5/3-6 = -2/-3 = 2/3
m of FJ = 3-2/3-8 = 1/-5
m of FL = 3-0/3-5 = 3/-2
m of KJ = 5-2/6-8 = 3/-2
m of KL = 5-0/6-5 = 5
m of JL = 2-0/ 8-5 = 2/3

In order for two lines to be perpendicular, their slopes must be opposite reciprocals...
FK is perpendicular to FL
FK is perpendicular to KJ
JL is perpendicular to FL
JL is perpendicular to KJ
FJ is perpendicular to KL
8 0
3 years ago
HELP PLEASE I NEED THIS RN ITS DUE
blondinia [14]

Answer:

answer

Step answer by answer step explanation step answer answer by by expla

8 0
3 years ago
Solve the following system using any method you choose:
ahrayia [7]

Answer:

(4,2)

Step-by-step explanation:

(4)-4(2)=-4

5(4)-4(2)=12

5 0
3 years ago
Read 2 more answers
Solve the inequality for x. show each step of the solution -12x-0.4>0.2(36.5x+80)-55
Darina [25.2K]

Let's solve your inequality step-by-step.

−12x−0.4>0.2(36.5x+80)−55

Step 1: Simplify both sides of the inequality.

−12x−0.4>7.3x−39

Step 2: Subtract 7.3x from both sides.

−12x−0.4−7.3x>7.3x−39−7.3x

−19.3x−0.4>−39

Step 3: Add 0.4 to both sides.

−19.3x−0.4+0.4>−39+0.4

−19.3x>−38.6

Step 4: Divide both sides by -19.3.

−19.3x

−19.3

>

−38.6

−19.3

x<2

Answer:

x<2

8 0
3 years ago
Other questions:
  • Find mean, median and mode of 140, 130, 90, 80, 60, 50, 30, 20, 10, 0
    7·1 answer
  • Determine whether the series is convergent or divergent (ln(n))/(n^2)
    14·1 answer
  • If f(x)=2x^2 +3x what is f(9)
    15·1 answer
  • 1. Graph the system of inequalities.
    14·1 answer
  • How many solutions do intersecting lines have?
    5·1 answer
  • Fran is going to transfer her credit card balance over to a new card. She has an existing balance of $752.69. Her current card c
    12·1 answer
  • Help points and Awnser !!
    9·2 answers
  • Find the value of y.
    6·1 answer
  • What is the equation of the line with slope 1/2 and passing through the point at (1,2)
    13·1 answer
  • Part 2) pls help ASAP (BRAINLIST) 12 points
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!