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
Paul [167]
3 years ago
12

A bag contains 2 red, 4 blue, and 4 yellow marbles. What is the probability of pulling a red marble, putting the marble back, an

d then pulling a blue marble?
Mathematics
1 answer:
Xelga [282]3 years ago
7 0

Answer:

Red: 1/5 or 0.2 or 20% (depends if the question asked you to give the answer in fraction/decimal/percentage. Either way, it's still correct)

Black: 0

Blue: 2/5 or 0.4 or 40%

Step-by-step explanation:

In total, the bag contains 10 balls,

  • 2 are Red = 2/10 = 1/5

  • There are no black marbles so you have 0 chance of pulling them out.

  • 4 are blue = 4/10 = 2/5
You might be interested in
In a sprint to the finish, a professional cyclist travels 380 meters in 20 seconds. At that rate, how far does the cyclist trave
Vlad [161]

At that rate, cyclists will cover a distance of 57 meters in 3 seconds.

The ratio of two related quantities expressed in several units is known as a rate.

Speed is the ratio of the distance traveled in a period of time. Speed is given by:

Speed = distance/time

The cyclist's speed, given that he completes 380 meters in 20 seconds, will be:

Speed = distance/time

s = d/t

v = 380 m / 20 s

v = 19 m/s

If he travels at this rate, at 3 seconds, the distance is:

Speed = distance/time

Distance = Speed × time

d = s × t

d = 19 m/s × 3 s

d = 57 m

Therefore,

At that rate, the cyclist will travel a total distance of 57 meters in 3 seconds.

Learn more about rate here:

brainly.com/question/119866

#SPJ9

7 0
1 year ago
Please help . Consider the line that passes through each pair of given points,and decide what type of slope the line has? Choice
Zanzabum

(2/4) and (5,1) negative

(-7,8)and(-7,0) undefined

(3,5) and (-1,2) positive

(6,-3) and (-4,-3) zero

5 0
3 years ago
Read 2 more answers
The weight gain of beef steers were measured over a 140 day test period. the average daily gains (lb/day) of 10 steers on the sa
diamong [38]

Answer:

\bar x = 3.545

Median = 3.435

Step-by-step explanation:

Given

x:3.89, 3.51, 3.97, 3.31, 3.21, 3.36, 3.67, 3.24, 3.27

10th: 4.02

Solving (a): The mean

This is calculated as:

\bar x = \frac{\sum x}{n}

So, we have:

\bar x = \frac{3.89 +3.51 +3.97 +3.31 +3.21 +3.36 +3.67 +3.24 +3.27+4.02}{10}

\bar x = \frac{35.45}{10}

\bar x = 3.545

Solving (b): The median

First, we sort the data; as follows:

3.21, 3.24, 3.27, 3.31, 3.36, 3.51, 3.67, 3.89, 3.97, 4.02

n = 10

So, the median position is:

Median = \frac{n + 1}{2}th

Median = \frac{10 + 1}{2}th

Median = \frac{11}{2}th

Median = 5.5th

This means that the median is the average of the 5th and 6th item

Median = \frac{3.36 + 3.51}{2}

Median = \frac{6.87}{2}

Median = 3.435

4 0
3 years ago
Portion is found by the rate times the base
inn [45]

Answer:

True.

Step-by-step explanation:

True.  Portion is found from multiplying the base times the rate.

Base =  a number that represents the whole 100%.  

Rate = the percent that is multiplied times the base that indicates what part of of the base we are trying to compare to.

7 0
4 years ago
Bill has been saving money to purchase a car to get to and from clinicals at college. His parents agreed to match what he saves
irina [24]

Answer:

Is there a full question??

Step-by-step explanation:

7 0
3 years ago
Other questions:
  • Credit card buying has become an important part of the economy of the United States.
    8·2 answers
  • A group of cyclists is planning a 50-
    14·1 answer
  • Which of the following situations results in a sale price that is less than or equal to $20.00? Select two that apply. A A $29.9
    10·1 answer
  • 44 divided by 22 divided by 2 divided by 2
    11·2 answers
  • A number multiplied by itself and then by itself again gives 1000. What is the number?
    6·2 answers
  • Complete this sequence 4.15, 6.3, 8.45
    9·2 answers
  • Bare root plum trees are on sale at 3 for $40 to the nearest Dollar what is the cost per tree
    13·2 answers
  • Convert the function from factored form to standard form. <br> f(x) = (2x − 3)(x + 4)
    14·1 answer
  • The 5-foot pole casts a shadow of 3 feet. The building casts a shadow of 12 feet. What is the height of the building?​
    6·2 answers
  • Is 4/3y=x a direct variation?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!