A bag has 4 red 3 white 2 blue and 1 green marble in it. Use this information to answer question 9-11.
9) What is the probability pick a red or green marble?

10) Probability of getting (Red or Blue)?

11) Probability of not getting blue

A die has the numbers 1-8 on it. Use this information to solve questions 12-15.

12. What is the probability of the die landing on the number 6?

13. What is the probability of the die landing on an even number less than 5?

14. What is the probability of the die landing on a prime number?

15. What is the probability of the die landing on a number divisible by 2 or 3?

A bag has 3 white 4 red and 2 blue marbles in it.

16. How many white marbles would have to be added to make the probability of pulling a white marble be 1/2?

17. How many white marbles must be added to make the probability of choosing a white marble 2/3?​

Answers

Answer 1

#'s 9-14

Base info:   40% are red, 30% are white, 20% are blue, and 10% are green

9) 40% chance to get red, 10% chance to get green. 50% chance to get one of either.

10) getting red: 40%

Getting blue: 20%

11) 80%  (100% - 20% = 80%)

1/8 = 12.5%

12) 12.5% chance

13) 25% chance

14) 12.5 x 5 = 62.5  

62.5% chance

Answer 2

Answer:

Step-by-step explanation:

r=4, w=3, b=2, g=1, t=(4+3+2+1)=10

9) P(r or g)=4/10+1/10=5/10= 1/2

10) P(r or b)=4/10+2/10=6/10= 3/5

11) P(!b)=P(r or w or g)=4/10+3/10+1/10=8/10= 4/5

12) There are six numbers and only one six, P(6)= 1/6

13) The only even numbers less than 5 are 2 and four so

P(e<5)=2/6= 1/3

14) The primes on a die are 2,3,5 so three primes out of six numbers

P(!)=3/6= 1/2

15) 2,3,4,6 are multiples of 2 and three

P(2n or 3n)=4/6= 2/3

16) We want a one half probability so

P(W)=(3+x)/(3+4+2+x)=1/2

(3+x)/(9+x)=1/2

2(3+x)=9+x

6+2x=9+x

x=3

So 3 white marbles have to be added.

17) (3+x)/(9+x)=2/3

3(3+x)=2(9+x)

9+3x=18+2x

x=9

So nine whites need to be added.


Related Questions

Harpo, Groucho, Chico, Zeppo, Gummo, Karl, and Skid have won three tickets to the opera. They will randomly choose three people from their group to attend the opera. How many outcomes are possible?

Answers

Answer:

35

Step-by-step explanation:

This is a combination problem therefore we need to use the combination formula using factorials, plug in the values for n and r which would be 7 since there are 7 individuals in the group and 3 because we are making outcomes of 3.

C(n,r)=C(7,3)

=7!(3!(7−3)!)

=7!3!×4!

= 35

Finally, we can see that the total number of possible outcomes is 35

Find the solution of the system of equations.
4x – 8y = -44
2x + 4y = -6

Answers

Answer:

x= -7/2

y= 5/4

Step-by-step explanation:

x-2y=-11

x+2y = -6

then isolate x and set equal to each other

-2y - 6 = 2y -11

4y = 5

y = 5/4

then solve for x using y.

x+5/2 = -6

x = -7/2

According to the scatter plot, how many miles from home will the family be in three hours?
Distance from Start
(Miles)

A.50. B.75. C.100. D.125.

Answers

I think the answers is C - 100 miles

Answer:

C. 100

Step-by-step explanation:

simplify 10 + 2 x (7 − 3 + 4) − 15 ÷ 3
a)7 b)17 c)21 d)27

Answers

Answer:

C).21

Step-by-step explanation:

Best Answer gets brainly!Thanks for helping :D

Answers

Answer:

x < 3

Step-by-step explanation:

The line is moving to negative so the number is less than 3

the white circle (or opened circle) indicates that we do NOT include that number so it is x < 3

Pls tell me which square unit :(

Answers

Answer:

8

Step-by-step explanation:

If I am doing this correctly you count all the dots the triangles lines are on. Which is 8 to find the area. Hope it helped have a wonderful day!

What is the measure of angle D?

Answers

Answer:

m<D = 26

Step-by-step explanation:

<D = x

x + 122 + 32 = 180

x + 154 = 180

x = 180 - 154

x = 26

Answer:

Step-by-step explanation:

<D + 122° + 32° = 180° ( being sum of angles of triangle )

< D = 180° - 154°

< D = 26°

Every time Vince orders Chinese food, he gets egg drop soup. So, he decides to learn how to make it himself. His recipe calls for 1.5 liters of broth, but he can only find 500-milliliter cartons at the store. How many cartons should he buy?

Answers

Answer: 3

Step-by-step explanation:

Vince will have to buy three cartons of 500 ml each.

What is expression in mathematics?

An expression in mathematics is a combination of terms both constants and variables.

Given is that every time Vince orders Chinese food, he gets egg drop soup. So, he decides to learn how to make it himself. His recipe calls for 1.5 liters of broth, but he can only find 500 milliliter cartons at the store.

We know that -

1 Liter = 1000 milliliters

1.5 liter = 1500 liters

Now -

1 carton 500 ml.

Then, 1 ml will be in (1/500) carton.

So, 1500 ml will be in (1/500 x 1500) = 3 cartons

Therefore, Vince will have to buy three cartons of 500 ml each.

To solve more questions on algebraic expressions, visit the link below -

https://brainly.com/question/27911936

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what is (1 5th) divided by 6 ps.1 5th is my fraction

Answers

Answer:

The answer is 0.3 repeating or in a fraction 1/3

Step-by-step explanation:

All you have to do is divide 1/5 th by 6 and then make it a fraction it's not that hard.

Explain how to solve 2x + 1 = 9 using the change of base formula log base b of y equals log y over log b. Include the solution for x in your answer. Round your answer to the nearest thousandth.

Answers

Answer:

2x 2 x 2 x 2= 8 + 1 = 9?

Step-by-step explanation:

The solution of the equation 2x + 1 = 9 will be 4.

What is the solution to the equation?

The allocation of weights to the important variables that produce the calculation's optimum is referred to as a direct consequence.

A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.

The equation is given below.

2x + 1 = 9

Simplify the equation, then we have

2x + 1 = 1

2x = 9 - 1

2x = 8

x = 8 / 2

x = 4

The solution of the equation 2x + 1 = 9 will be 4.

More about the solution of the equation link is given below.

https://brainly.com/question/545403

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helpp pleaseee asap!!

Answers

Answer:

30 and 5 left over

Step-by-step explanation:

185/6=30.83333333

30x6=180

185-180=5 left

answer:
1. 30
2. 5
step by step:

Samantha earns $8 p;er hour as a cashier. Write an equation that shows her earnings (E) after 'h' hours

Answers

Answer:

E=8h

Step-by-step explanation:

Becuase the earings equal the $8 times the amount of hours she worked.

A theme park want to know which new ride option is the most appealing to customers. Which sampling method produces an unbiased representative sample.

A Survey 100 randomly selected parents in a theme park.

B Survey 30 customers to enter the theme park

C Survey the first 80 teenagers to enter the theme park

D Survey the first 250 customers in the line

Answers

Answer:

i would chose a or b

Step-by-step explanation:

you want to get the one person that have the most valubale commet so pick random coustimers i wouldnt pick d becuase you are probably going to get the same answer

Answer:

survey 100 randomly selected parents in a theme park

Step-by-step explanation:

random selection.It is considered a fair way to select a sample from a larger population. (since every member of the population has an equal chance of getting selected).

Find the value of x please

Answers

The answer to that problem is 54

Answer:

x=54

Step-by-step explanation:

55+54= 109

180-109=71

x+17=71

=54

in a school with 200 students, 45% are males. how many males are there.? please help me​

Answers

Answer:

90 males.

Step-by-step explanation:

To find the answer we will divide 45% by 100, and we get 0.45.  Now multiply 0.45 by 200 and you get 90.  Therefore, 90 males is the answer.

i give brainliest pls help meee.

Answers

9 + 35x ≤ 310. 9 is the park fee, and 35x means that is 35 dollars per person. X is the amount of people and 310 is the maximum.

8th grade algebra question

Answers

Answer:

x-int : 6,  y-int : 9

Step-by-step explanation:

Hope this helps :)

Let me know if you want a full explanation

i need help with this math 50 points if you get is right

Answers

Answer: 8

Explanation:

(12 + 31). Find the midpoint m of 21 (8 + 5i) and 22 Express your answer in rectangular form.​

Answers

I think the answer is 12

SOMEONE HELP ME REALLY FAST !!!!

The figure below was made with a scale of 1 unit =2ft.Draw the figure with a new scale of 1 unit =4ft.You can place your figure anywhere on the grid on the right.
2ft
4ft
Currentscale
=1unit2ft
Newscale
=1unit4ft

Answers

Answer:

just draw the same rectangle as on the left on the right

Step-by-step explanation:

but when finding area instead of unitsx2 use unitsx4

what is the measure in degrees

Answers

Answer:

B = 155°, C = 25°, D = 155°

Step-by-step explanation:

Assuming you require B, C, D

A and B are adjacent angles and are supplementary , that is

A + B = 180°

25° + B = 180° ( subtract 25° from both sides )

B = 155°

A and C are vertically opposite angles and are congruent, then

C = 25°

B and D are vertically opposite angles and are congruent , then

D = 155°

Jamie writes -2°C > -5°C to compare the temperature on two January days. Explain why you agree or disagree with him

Answers

Answer:

I agree with Jamie

Step-by-step explanation:

Given the inequality expression -2°C > -5°C, to compare both temperatures, we are to determine whether we agree or disagree with him.

Note that negative values that are closer to zero on the number line are greater than those that are far from zero. Hence, since -2 is closer to zero on the number line than -5, this means that -2 is greater than -5 hence I agree with Jamie's temperature value comparison.

Find the mean of the following set: 30, 16, 29, 14, 21

Answers

Answer:

the mean is 18.2, median is 16, and there is no mode

Step-by-step explanation:

Answer:

22

Step-by-step explanation:

mean is the average of the number.you have to add up all the number then divide it by how many numbers there are.

your question is :30,16,29,14,21 (5 number)

(30+16+29+14+21) / 5 = 22

Please help.
Is algebra.

Answers

i think it’s -2, if not it’s 1

Answer:

Step-by-step explanation:

a solution is where both of the lines meet.  or they have the same point on each line. so you can set the equation of each line equal to the other.

for this  "solution" just look at the graph and see where the two lines meet.. and find the x coordinate of that point.

I see it meeting at x =2     get it?

HELP ill mark you brainlist

Answers

Answer:

-8 + 11n OR 11n - 8

Step-by-step explanation:

an = 3 + (n-1)11

an = 3 + 11n - 11

an = -8 + 11n OR 11n - 8

Hope that helps!

Answer:

find the last SIMPLIFIED number

11 x 5 = 55

55 simplfiied = 27.5

Step-by-step explanation:

sorry if this is wrong. i tried my best trying to look for the answer

Marela prepared 25.6 liters of concentrated mango juice. Sie plans to pour it in small canister of 0.1 liter capacity. How many canister does she need to prepare?

Answers

256 canisters
You just do number of litres prepared divided by capacity of each canister to find out how many canisters are used

help please! find m∠bcf

Answers

Answer:

BCF = 140°

See attached image.

Answer:

m<BCF=140°

Step-by-step explanation:

first find m<BCD

m<BCD=180-50-90

m<BCD=40°.

to find m<BCF, we can do 180-m<BCD, since m<BCD and m<BCF add up to 180° (they form a straight angle)

180-m<BCD=m<BCF

180-40=m<BCF

m<BCF=140°

Solve : 2 (m + 1) = 3(m - 1)

Answers

Step-by-step explanation:

hope this helps. if you have any questions don't hesitate to ask :))

Answer:

m = 5

Step-by-step explanation:

Given

2(m + 1) = 3(m - 1) ← distribute parenthesis on both sides

2m + 2 = 3m - 3 ( subtract 2m from both sides )

2 = m - 3 ( add 3 to both sides )

5 = m

Translate the sentence into an inequality.
Twice the difference of a number 4 and is greater than 28.
Use the variable w for the unknown number.

Answers

Answer:

(4w) > 28

Step-by-step explanation:

Please mark helpful

This composite figure is made up of three simpler shapes. What is the area of
the figure?
10 cm
17 cm
4 cm
4 cm
15 cm
A. 116 square cm
B. 100 square cm
C. 81 square cm
O D. 146 square cm

Answers

Answer:

116

Step-by-step explanation:

Just took test

Answer:

116 brotha

Step-by-step explanation:

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