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
DanielleElmas [232]
2 years ago
7

There is a bag filled with 4 blue and 5 red marbles.

Mathematics
1 answer:
kkurt [141]2 years ago
6 0

Answer:

  • 5/9

Step-by-step explanation:

There are 4 blue, 5 red and total of 9 marbles.

<u>If two marbles are taken and we are looking for exactly one red, then it is:</u>

  • red, then blue or blue, then red

<u>Find the probability of each case:</u>

  • P(r, b) = 5/9*4/8 = 5/18
  • P(b, r) = 4/9*5/8 = 5/18

<u>Probability of exactly one red:</u>

  • P = 5/18*2 = 5/9
You might be interested in
Am I right or wrong plz answer
Dvinal [7]
Wrong because you need to add the -2 to the 8.... I hope this helps
4 0
3 years ago
4. Make up a system of equations with infinite<br> solutions
Taya2010 [7]

Answer:

\left \{ {{x+y=1} \atop {2x+2y=2}} \right.

Step-by-step explanation:

As long as the two equations represent the same straight line on the coordinate plane (they overlap), there will be infinite many intersections and infinite number of solutions.

6 0
2 years ago
in a set of 9 balls, 5 are blue. the balls are placed into a bag. mark is trying to get a ball that is not blue. he picks one ba
harina [27]
So what you will have to do is 45 alla you have to do is multiple


4 0
3 years ago
A car is 170 inches long. A truck is 75% longer than the car. How long is the truck? *please show an explanation*
Sav [38]

Answer:a

Step-by-step explanation:did

7 0
2 years ago
Please help pls pls pls pls it’s due soon
BARSIC [14]

Answer:

the answer is 67.5

Step-by-step explanation:

look at the photo

4 0
2 years ago
Other questions:
  • 9 to the 12th power divided by 9 to the 8th power
    9·1 answer
  • The function h(x)=12/x-1 is one to one. Algebraically find it’s inverse, h^-1(x).
    12·1 answer
  • Chantelle has signed up for hockey. Her parents set a limit of 40$ for costs for the season. It costs 25$ to sign up plus 0.75$
    8·1 answer
  • A whole number is represented by n. which statement is true about n and -n?
    10·2 answers
  • a rectangle is graphed on the coordinate grid. which represents the equation of a that is perpendicular to side r?
    9·1 answer
  • Which is the nth term test and which is the geometric series test?
    10·1 answer
  • Please help brainiest will be award !!
    13·1 answer
  • Describe the steps you would take to sketch the graph p(x)=2x^(3)+7x^(2)-3x-18
    5·1 answer
  • Asnwer question in screenshot pls
    10·1 answer
  • 1. Triangle HYV and Triangle AYB are similar. What is the value of x
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!