Mathematics Middle School

A bag of marbles contains 4 red marbles, 5 green marbles, and 3 blue marbles. Karen pulls two marbles out one after the other without replacing the first marble, what is the probability the first one is red and the second is blue?

Answers

Answer 1
A N S W E R: 7/12 or 58%

Related Questions

help pleaseeeeee thank youuu

Answers

$500

Step-by-step explanation:

200 is 40%

I doubled it to get 400$ for 80%,

then I divided 200$ by 2 to get 100, same with the percent. in total, 500$=100%

$500 dude on top explained it well

Which is a perfect square?

Answers

Answer:

121

Step-by-step explanation:

11 x 11 =121

If you multiply 11 and 11 you will get 121. Meaning 121 would be your perfect square for this problem

What is the surface area of the rectangular prism described by the net below?

Answers

Answer:

758

Step-by-step explanation:

758 is the answer sheesh

Answer:

648

Step-by-step explanation:

two triangles=96

two rectangles=160 each= 360

big rectangle=192

96+360+192=648

hey guys just need to know if this is right 79 x21=

Answers

Answer:

1,659 is your answer

Step-by-step explanation:

I'm gonna assume the question being asked is 19 times 21 and if that's true the answer is 1659. My assumption is probably incorrect, though.

1 foot = 12 inches
2 feet 7 inches = |_| inches

Answers

Answer:

Step-by-step explanation:

H

Answer:

12+12=24. 24+7=31

Step-by-step explanation:

31 inchess

look at the photo! first gets brainliest pls hurry. 15 points!!!!!!

Answers

Answer:

apples: 17

oranges: 7

bananas:11

First answer is correct

The table shows the statistics for the starting players after the first 15 games. PART A Use the table. Find the percent of free throws made by each player. Round to the nearest whole percent. [ table ]
Player
free throw attempted
Wilson 36
bartholdi 42
Johnson 22
garcia 29
o' malley 14
free throw made
WILSON 24
BARTHOLDI 37
jOHNSON 15
GARCIA 16
O' MALLEY 12
percent
Wilson 67%
artholdi 88%
jonhson 68%
garcia 55%
o' malley 86%​

Answers

Answer:

Step-by-step explanation:

Wilson-70%, artholdi-90%, jonhson-70%, Garcia-60%, o'malley-90%

round each of them to the nearest whole percentage (nearest whole number).

Rotate the object 90 degrees counterclockwise around the origin. what are the new coordinates?

Answers

Answer:

It is (1,6)

Step-by-step explanation:

yes the answer is (1,6)

What is the solution to the equation k + 4 3/4 = 7?

Answers

Hi I don’t know if this is right but I got that k is equal to 4 I got that because if you do

4 times 3/4 you get 12/4 that is equal to 3.
Now you have k + 3=7 you move 3 to the other side and make it negative
K= 7-3
K=4

Hope this helped!

Answer:

K=4 is the answer

Step-by-step explanation:

Please help with this! 50+ Points!

Answers

Answer:

The correct answer is C - 7.8 < 7 5/6 < 7.9

Step-by-step explanation:

First, convert 7 5/6 to decimal form --> 7.83.

If you don't know how to convert, think about what 5/6 is equal to and put it in decimal form. Add your decimal to the whole number, and there is your answer.

7.83 is in between 7.8 and 7.9, so it must be the answer.

I hope this helps!

Answer:

The correct answer is C - 7.8 < 7 5/6 < 7.9

Step-by-step explanation:

First, convert 7 5/6 to decimal form --> 7.83.

If you don't know how to convert, think about what 5/6 is equal to and put it in decimal form. Add your decimal to the whole number, and there is your answer.

7.83 is in between 7.8 and 7.9, so it must be the answer.

I hope this helps!

I need help please and thank you :)

Answers

Answer:

1/3

Step-by-step explanation:

1/3 I think the answer is

Giving 21 points for answer!! Please help!!


Please give the answers to the amount of money and hours worked each day. Also what number to multiply by to find the amount earned.

Answers

Answer:

The bottom question is wrong. You have to multiply 8 to get the amount earned. But the rest is correct.

Step-by-step explanation:

6.25 x 8 = 50

12.5 x 8 = 100

18.75 x 8 = 150

25 x 8 = 200

31.25 x 8 = 250

Answer:

Helloooo. The bottom part is the only part of ur answer that's wrong. It is 8.

Step-by-step explanation:

I believe the other person that answered this shows this part correctly :)

Which situation could best be represented by this linear equation?

2.75x + 3.25y = 215

A. Popcorn is 50 cents less expensive than pretzels. The variable x represents the number of pretzels sold and y represents the number of popcorn bags sold. The sales total was $215.
B. Pretzels cost 75 cents more than popcorn bags. The variable x represents the number of popcorn bags sold and y represents the number of pretzels sold. The sales total was $215.
C. There were 50 more popcorn bags sold than pretzels. The variable x represents the number of popcorn bags sold and y represents the number of pretzels sold. The sales total was $215.
D. Pretzels cost 50 cents less than popcorn bags. The variable x represents the number of pretzels sold and y represents the number of popcorn bags sold. The sales total was $215.

Help plz

Answers

Answer:

Pretzels cost 50 cents less than popcorn bags. The variable x represents the number of pretzels sold and y represents the number of popcorn bags sold. The sales total was $215.

Step-by-step explanation:

Answer:

Pretzels cost 50 cents less than popcorn bags. The variable x represents the number of pretzels sold and y represents the number of popcorn bags sold. The sales total was $215.

Step-by-step explanation:

Which table represents a linear function?

PLEASE HELP YALL THIS IS A DIAGNOSTIC FOR CHRIST'S SAKE

Answers

Answer:the last one (x,1,2,3, y,0,1,4,9)

Step-by-step explanation:

The answer is the one beside the orange one

Describe the relationship between a and b that will make value of the expression 7 x a/b to 7

Answers

a and b should be equal or the same digit. for example 5x2/5+5 or 2/2, because that equals 1. 7x1 is 7, therefore, a and b should be equal/same

Mr. Jones sold two pipes at $1.20 each. Based on the cost, his profit was 20% and his loss on the other was 20%. On the sale of the pipes, he:

(a) broke even, (b) lost 4 cents, (c) gained 4 cents, (d) lost 10 cents, (e) gained 10 cents

Answers

Answer:

Selling price of the first pipe = $1.20

Profit = 20%

Let’s try to find the cost price of the first pipe

CP = Selling price - Profit

CP = 1.20 - 20% of CP

CP = 1.20 - 0.20CP

CP + 0.20CP = 1.20

1.20CP = 1.20

CP = 1.201.20

CP = $ 1

Selling price of the Second pipe = $1.20

Loss = 20%

Let’s try to find the cost price of the second pipe

CP = Selling price + Loss

CP = 1.20 + 20% of CP

CP = 1.20 + 0.20CP

CP - 0.20CP = 1.20

0.80CP = 1.20

CP = 1.200.80

CP = $1.50

Therefore, total cost price of the two pipes = $1.00 + $1.50 = $2.50

And total selling price of the two pipes = $1.20 + $1.20 = $2.40

Loss = $2.50 – $2.40 = $0.10

Therefore, Mr. Jones loss 10 cents.

i know that this is hard to understand so tell me if you need help

Have a great day :)

Answer:

(d) lost 10 cents

Step-by-step explanation:

zoom in to see. please answer

Answers

do u still need help?

Answer:

$8.25

Step-by-step explanation:

Shoes rental cost $2.75

Bowling cost $2.50 = 2.50 x3 = $7.50

1/2 price voucher for bowling  =  7.50 x 1/2 = $3.75

Pretzel cost $1.75

Total cost 2.75+3.75 + 1.75 = $8.25

PLEASE ANSWER FAST WILL BRAINLIST!!!
You go completely unprepared for a multiple choice quiz. The quiz has five questions, each with four answer choices. Describe a simulation that you could use to determine the experimental probability of guessing all five questions correctly. Describe how you got your answer.

Answers

Answer:

process of elimination

Step-by-step explanation:

I've been using this method since i was in like second grade and it usually works for me

Answer:

I usaally take of the one theta would not even be close to being right take of the one the diffrent from the other and get my right answer hope this helps

Step-by-step explanation:

I only have 10 minutes the answer the question please help me I will give you brainlist

Answers

1 white shirt
1 black shirt
1 blue shirt
1 blue pant
1 tan pant
There are 5 total articles of clothing and 2 that he could end up wearing (white shirt & tan pants)
so the probability equals 2/5



James determined that these two expressions were equivalent expressions using the values of x = 4 and x = 6. Which statements are true? Check all that apply. 7 x + 4 and 3 x + 5 + 4 x minus 1 When x = 2, both expressions have a value of 18. The expressions are only equivalent for x = 4 and x = 6. The expressions are only equivalent when evaluated with even values. The expressions have equivalent values for any value of x. The expressions should have been evaluated with one odd value and one even value. When x = 0, the first expression has a value of 4 and the second expression has a value of 5. The expressions have equivalent values if x = 8.

Answers

Answer:

x=8 hope it helps

Step-by-step explanation:

Becky bought a magazine for $3.90, and the sales tax was 8.25%. How much sales tax did Becky pay on the magazine?

Answers

Answer:

$4.22 Is your answer.

Step-by-step explanation:

Becky payed 4.22 on sales tax

just 4 and 5 since my other one was not takin any more awnsers

Answers

Answer:

4. O+ donors to O- donors.

5. B+ to A- donors.

Step-by-step explanation:

Just try to find the numbers on the chart and then find which type of donor the number matches with.  Hope this helps!

Answer:

4. O+ donors to O- donors.

5. B+ to A- donors.

hope this helps

Step-by-step explanation:

Find the volume of the rectangular prism pls help me-

Answers

Answer:

5×3×7=105

Step-by-step explanation:

Volume is length × breadth × height

This ise 105 units cubed

The y-coordinate of the vertex of the function y = 2x^2-8x+c is 2. The value of c is...

No links please

Answers

the answer is 16. It is 16 because you would use the formula (b/2)^2. so it would be (-8/2)^2. so it would then be simplified to (-4)^2. then simplify and it would give you 16

9=3(1/2 + k)

pls help! i will give brainly

Answers

Answer:

k= 11/2

Step-by-step explanation:

Answer:

k = 2.5

Step-by-step explanation:

In order to solve this equation we do the following:

[tex]9 = 3(\frac{1}{2} + k)\\[/tex]

Divide both sides by 3 and get...

[tex]3 = \frac{1}{2} + k\\[/tex]

Subtract 1/2 from both sides and get...

k = 2.5

please help I don't understand these thank you

Answers

Answer:The mean goes up from approximately 80.4 to 82.

Step-by-step explanation:

Before adding 101°, the mean i2:

(58 + 61 + 71 + 77 + 91 + 100 + 105 + 102 + 95 + 82 + 66 + 57)/12 = 80.4

After adding the value 101°, the mean is:

(58 + 61 + 71 + 77 + 91 + 100 + 105 + 102 + 95 + 82 + 66 + 57 + 101)/13 = 82

The mean goes up from approximately 80.4 to 82.

The mean goes up from approximately 80.4 to 82


Hope it helps :)

For each inequality, decide whether the solution is represented by x<4.5
or x>4.5

Answers

A:  x > 4.5

B: x < 4.5

C: x < 4.3

If the mean absolute deviation is close to 0, then what does that mean about the data set

Answers

The datum would be around, or, the same value; likewise, when graphed, each datum would be closer to the equation’s line.

The average difference is very less of all the elements in a data set than the mean of the same data set.

What is the mean absolute deviation?

It is defined as the measure to show the variation in data set in other words between the mean and every data value the distance is known as the MAD.

As we know the mean absolute deviation is the average distance between each data point and the mean.

The mean (average) difference between each data value and the data set's mean is known as the mean absolute deviation. It can be used to quantify the data set's dispersion as well as to solve statistical issues in the actual world.

If the mean absolute deviation is close to 0 it means the average difference is very less of all the elements in a data set from the mean of the same data set

Thus, the average difference is very less of all the elements in a data set than the mean of the same data set.

Learn more about the mean absolute deviation here:

brainly.com/question/10528201

Two lines meet at a point that is also the vertex of an angle. Set up and solve an appropriate equation for and .

Answers

Answer:

Y=74, x=106.

Step-by-step explanation:

First, if you will notice, that 16+Y=90. Why? Because there is a square instead of a semicircle at the angle, which means that 16+Y=90. 90-16=74, so Y is 74. Then, we see that 90 plus an unknown angle equals x. But, using a rule of geometry, we know that the unknown angle is 16. So, x=90+16, and since 90+16 is 106, we get Y=74, X=106.

Simplify the expression.
3. 3(5-2n)+9n



Find the sum or difference.
5. (3j+11)+(8j-7)
6. 3/4(Three-fourths)(8p+12)+3/8(three-eighths)(16p-8)
7. (2r-13)-(-6r+4)
8. -2.5(2s-5)-3(4.5s-5.2)


Solve the equation(Find the unknown variable). Check your solution.
13. 2/9(Two-ninths)g= -8
16. 2/7(Two-sevenths)k-3/8(Three-eighths)= -19/8

Answers

Answer:

3. 15 + 3n

5. 11j + 4

6.  27p - 5 over 4

7. 8r - 17

8. -18.5s + 28.1

13. G = - 162

16. K = 7007 over 256

Step-by-step explanation:

Hope it helps

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