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
Maksim231197 [3]
3 years ago
12

A bag contains 5 blue, 4 red, 7 black and 2 white marbles. What is the probability of selecting a marble that is NOT white?

Mathematics
2 answers:
denis23 [38]3 years ago
5 0

Answer:

8/9

Step-by-step explanation:

P(white) = (2) ÷ (5+4+7+2) = (2)/(18) = 1/9

P(not white) = 1 - P(white) = 1 - 1/9 = 8/9

svp [43]3 years ago
3 0

5+4+7+2=18

18-2=16

16/18

88% chance of selecting a marble that isnt white

You might be interested in
Assume that when adults with smartphones are randomly​ selected, ​57% use them in meetings or classes. If 8 adult smartphone use
vovikov84 [41]

Answer:

≈ 0.2526

Step-by-step explanation:

<u>The number of combinations of 4 out of 8:</u>

  • 8C4 = 8!/(4!(8-4)!)= 8*7*6*5/(1*2*3*4)= 70

<u>Success factor is: </u>

  • 57% = 0.57

<u>and failure factor is: </u>

  • (100 - 57)%= 43%= 0.43

<u>Probability:</u>

  • 0.57⁴*0.43⁴*70 ≈ 0.2526
6 0
3 years ago
Find the ratio of x to y if 7/x = 5/y. Help me!!!!
MakcuM [25]
7/x = 5/y
Can be changed to:
5x = 7y
So, x = (7/5)y and
y = (5/7)x

6 0
3 years ago
What is the value of the expression |-7| + |-42​
RUDIKE [14]

Answer: it is in absolute value form, so when you take it out the signs would change to 7 + 42 = 49

Step-by-step explanation:

3 0
4 years ago
If one face of a cube has a surface area of 5.25 square meters, what is the surface area of the entire cube
natali 33 [55]

Answer:

11.25

Step-by-step explanation:

if a cube has 6 equal sides, you want to multiply 5.25 by 6 to get the surface area for the entire cube.

6 0
3 years ago
Help with 31 please
Goryan [66]

Answer:

C. 1/2 divided by 13

Step-by-step explanation:

You have to divide the 1/2 gallon between the 13 people...not the 13 people by the 1/2 gallon! Can you mark brainliest again??

8 0
4 years ago
Other questions:
  • The price of a wallet is $31.95 and the sales tax is 7.5%. What is the total cost of the wallet? Enter your answer in the box.
    14·2 answers
  • 3x+4=43<br> Translate into a sentence
    11·2 answers
  • Kelly bought a new car for $20,000. The car depreciates at a rate of 10% per year. Write an equation to model the car’s value. U
    7·1 answer
  • Passengers of flyaway airlines can purchase tickets for either business class or economy class. On one particular flight there w
    9·1 answer
  • 2) Find the measure of angle b
    10·1 answer
  • Point J is on line segment \overline{IK} IK . Given IK=5x,IK=5x, IJ=4,IJ=4, and JK=4x,JK=4x, determine the numerical length of \
    10·1 answer
  • PLS HELP!!look at image!!
    9·1 answer
  • What is 38,802,500 written as a product of a single digit and a power of ten
    7·1 answer
  • SKIL
    5·1 answer
  • What is the function equation for the input/output table?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!