Fiona has a box with 5 red buttons and 9 blue buttons.She randomly selected one button, took it out of the box, then selected another button.What is the probability that both buttons are red?
A.4/25
B.10/91
C.9/29
D.1/3

Answers

Answer 1

Answer:

B. 10/91

Step-by-step explanation:

Box has 5 red buttons and 9 blue buttons.

We add 5 and 9 to get the total buttons.

5 + 9 = 14

Then, we find the probability for a red button.

5/14 = .35

Now, that we've taken out 1 button.

The amount of buttons available changes.

14 - 1 = 13

There are 4 red buttons remaining.

The probability for a red button changes to 4/13.

4/13 = .30

Then, we multiply both probabilities.

.30 x .35 = .111

Convert to a fraction.

.111 = 10/91

Thus it would be B.


Related Questions

The function f(t) = 5 (4)^t represents the number of frogs in a pond after t years. If this function is graphed, what would be the meaning of the y-intercept?



The pond starts off with 4 frogs




The number of frogs multiplies by 4 each year




The pond starts off with 5 frogs




After the first year, there are 20 frogs

Answers

From my understanding and calculations I got the answer D “after the first year, there are 20 frogs”

HELP ILL GIVE BRAINLIEST
It’s not very clear but I will give brainliest

Answers

Answer:

95 mph fastball

Step-by-step explanation:

just because

What is the ratio of 50 cents to $1.20 (in simplest form)?

Answers

Answer:

5:12

Step-by-step explanation:

$1.20 = (1x100 + 20) cents = 120 cents

You get a ratio of 50:120.

Since both are divisible by 10, divide both sides by 10.

You get 5:12.

Since 5 and 12 share no common factors other than 1, this is the simplest form.

A pencil holder shaped like a triangular prism is shown in the picture. The height of the pencil holder is 12 cm, and the volume of the pencil holder is 216 cm3.
What is the area of the base of the pencil holder in square centimeters?

Answers

Answer:

18 square centimeters

Step-by-step explanation:

YW :)

Which lines must be parallel?

Answers

Answer:

The answer is option A) r and s

R and s have to be parallel

Help with this problem pls

Answers

Answer:

16 kg/cm^2

Step-by-step explanation:

200cm^3=32kg/cm^2

1cm^3=32/200 kg per cm^2

So,100cm^2 =(32/200)x100

=16cm/kg^2

Last summer milo sold water bottles at the park to raise money for his baseball team he made the table below does the table shows a proportional relationship how do you know

Answers

Answer:

No

Step-by-step explanation:

For a proportional relationship :

y = kx

Where , k = constant of proportionality

Taking the first set of data:

x = 50 ; y = 10

10 = 50k

k = 10/ 50 = 1/5

Hence, the proportional equation or relation is :

y = 1/5x

Check if this is true for other data points on the data :

Taking the second data point :

x = 85 ; check if y will be 20

From :

y = 1/5x

y = 1/5*85

y = 85/5

y = 17

Since ;

y value from the equation isn't the same as that in the table, then the table does not show a proportional relationship.

PLZ HELP ILL MARK YOU BRAINLEST ‼️

a) 120°

b) 50°

c) 70°

d) 180°​

Answers

Answer:

120°

Step-by-step explanation:

Add the 2 opposite angles to find the exterior angle.

50° + 70° = 120°

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

What is the opposite of the opposite of 8?
A.8
B.1/8
C .-8
D -1/8

Answers

Answer :

C. -8

Hope this helps!

8 because the opposite of 8 is -8 and the opposite of that is 8 so yep 8 is the answer

which fraction is equal to a whole number 9/3, 2/3, 1/3, 5/3

Answers

Answer:

9/3

Step-by-step explanation:

9/3 = 3

Answer:

9/3

Step-by-step explanation:

Well we know that it is not 2/3 or 1/3 because those do not equal a whole number as they are decimals.

5/3 is equivalent to 1 2/3. Which we already determined that 2/3 was a decimal and not a whole number.

9/3 is equivalent to 3, and 3 is a whole number.

Hope this was a bit easier to understand.

HURRY IM BEING TIMED! The line of best fit for this scatter plot shows the relationship between the average temperature and the monthly electricity bill at Jenny’s house.

Answers

Answer:

[tex]y = \frac{11}{8}x + 50[/tex]

Step-by-step explanation:

Given

See attachment for plot

Required

The line of best fit

From the attached plot, we have:

[tex](x_1,y_1) = (0,50)[/tex]

[tex](x_2,y_2) = (80,160)[/tex]

Calculate the slope (m)

[tex]m = \frac{y_2 - y_1}{x_2 -x_1}[/tex]

So, we have:

[tex]m = \frac{160 - 50}{80-0}[/tex]

[tex]m = \frac{110}{80}[/tex]

[tex]m = \frac{11}{8}[/tex]

The line of best fit is then calculated as:

[tex]y = m(x - x_1) + y_1[/tex]

This gives:

[tex]y = \frac{11}{8}(x - 0) + 50[/tex]

[tex]y = \frac{11}{8}x + 50[/tex]

Answer:

The electricity bill will be about $200 when the average temperature reaches 100°F.

Let u = <3. 3> and v = < 11. 8>. Find u + v.


Plssss help me!

Answers

Answer:

<13, 11>

Step-by-step explanation:

Round 8.157 to the nearest hundredth.

Answers

Answer:

I believe the answer is 8.16 pardon me if it's wrong.

Answer:

8.18

Step-by-step explanation:

First, note that 8.175 has two parts. The integer part to the left of the decimal point and the fractional part to the right of the decimal point:

Integer Part: 8

Fractional Part: 175

To round 8.175 to the nearest hundredth means to round the numbers so you only have two digits in the fractional part.

We use the following rules to round 8.175 to the nearest hundredth:

A) If the last digit in the fractional part of 8.175 is less than 5, then simply remove the last the digit of the fractional part.

B) If the last digit in the fractional part of 8.175 is 5 or more and the second digit in the fractional part is less than 9, then add 1 to the second digit of the fractional part and remove the third digit.

C) If the last digit in the fractional part of 8.175 is 5 or more and the second digit in the fractional part is 9, and the first digit in the fractional part is less than 9, then add 1 to the first digit in fractional part and make the second digit in fractional part 0. Then remove the third digit.

D) If the last digit in the fractional part of 8.175 is 5 or more and the second digit in the fractional part is 9, and the first digit in the fractional part is 9, then add 1 to the integer part and make the fractional part 00.

With 8.175, rule B applies and 8.175 rounded to the nearest hundredth is:

8.18

what is the average rate of change of f(x) over the interval[2,5]?

a. 6
b. -6
c. 9.3
d. -9.3

Answers

Answer:

i miss school

Step-by-step explanation:

someone help him

280 students went on a field trip. 5 buses were filled and 10 students traveled in cars. How many students were in each bus?

Write out the equation (1 point)

Solve the equations (2 points)

Write the name of the properties you used to justify each step (2 point)

Answers

Answer:280-10/5 (everything over/divided by 5)

Step-by-step explanation:

280 is all the students 10 go in car so subtract that and divide the answer by 5.

The solution is : 54 students were in each bus .

What is division?

Division is the process of splitting a number or an amount into equal parts. Division is one of the four basic operations of arithmetic, the ways that numbers are combined to make new numbers. The other operations are addition, subtraction, and multiplication.

here, we have,

given that,

280 students went on a field trip. 5 buses were filled and 10 students traveled in cars.

280 is all the students 10 go in car

so subtract that and divide the answer by 5.

280-10/5 (everything over/divided by 5)

so, we get,

students in buses = 280 -10

                              = 270

now, 5 buses were filled,

so, students were in each bus = 270/5

                                                  = 54

Hence, The solution is , 54 students were in each bus .

To learn more on division click:

brainly.com/question/21416852

#SPJ3

amelia has to pay an initial fee of $300 plus $135 per month to rent a space at a salon

Choose ALL the point that would lie on a graph representing the total expense, y, to rent a space for x months

A. (2,270)
B. (3,705)
C. (4,840)
D. (5,975)
E. (6,810)

Answers

Answer:D

Step-by-step explanation:

how many solutions does 12x - 5 - 6x = -5 + 6x have​

Answers

This problem has “Infinitely Many Solutions.”

Hope this helps!!!!

What number balances this equation? 24+(3+6) = (24+3)+_

Answers

I think it’s 6. I feel like 6 would be the the correct answer

Answer:

6

Step-by-step explanation:

24+(3+6)=33

(24+3)+6=33

I NEED YOUR HELP FAST!!!!

Answers

Answer:

[tex]c. \: {w}^{64} [/tex]

Sorry if i get it wrong

C. I believe, if I am wrong I’m sorry.

Which of the following 2D shapes compose the net of a rectangular prism? Select all that apply.
A) rectangles
B) circles
C) triangles
D) octagons

Answers

Answer:

Step-by-step explanation:

A just rectangles

Rectangles are thee answer

Brittney has 13 marbles. Drake has 16 more marbles than Brittney. How many marbles does Drake have?

Answers

Answer:

29

Step-by-step explanation:

Add the two values

Answer:

29

Step-by-step explanation:

13+16=29

so therfore 29 is the correct answer

somebody PLEASE HELP ME

answer has to be in simplest radical form
find k

Answers

Answer:

[tex] \boxed{18\: in} [/tex]

Step-by-step explanation:

side opposite of 30° = x

side opposite of 60° = x√3

side opposite of 90° = 2x

Charlie has $80 in his bank account and deposits $47 per month into his account.Avery has $54 and deposits $60 per month into her account.Enter the number of months it will take for both Charlie and Avery to have the same amount of money in their accounts.

Answers

2 months. After 2 months both Charlie and Avery will have $174 in their account.

What is the answer please and thank you

Answers

Answer:126m2

Step-by-step explanation:

Since they are both rectangles, use the area of a rectangle equation to find it which is length times width. What I would do first is find the area of the big rectangle which is 10*15 which is 150. Then I would find the area of the white space which is 6*4 which is 24. Since the white space is not part of the question, subtract 24 from 150 which gets you 126m2. Hope this helps :)

Find The number to the angle QPR

Answers

Step-by-step explanation:

you know that QPS adds up to 47

so the sum of RPS and QPR shoukd = 47

(3x - 38) + (7x - 95) = 47

you then solve for x then you can use that to find QPR

a fair coin is flipped 7 times what is the probability of getting all heads

Answers

Answer:

1 in 128

I know if you flip a coin 7 times, the odds of getting 7 heads in a row is 1 in 27 or 1 in 128.

Step-by-step explanation:

.) A store receives 8 boxes of picture frames to sell. Unfortunately, 3 of the frames are broken and cannot be sold. There are 45 frames left that can be sold. The store manager wants to know how many frames are in each box. ) Write an equation

Answers

Answer:

There are 6 boxes

Step-by-step explanation:

We know there are 45 frames and 3 broken ones, so there are 48 frames in total.

We know there are 8 boxes that have the frames.

let x equal the amount of picture frames in a box

8x=48

8x/8 = 48/8

x=6

What is the area of kite ABCD?

Answers

Answer:

72 square cm

Step-by-step explanation:

Area for a kite can be found by A=pq/2

p = 9

q = 16

(9)(16) = 144

144/2 = 72

An A grade will be given to students having at least 370 total test points. There is one more test to take before the semester is over. Lesha wants to know what she needs to score on the next test to finish with an A. Write and solve an equation to determine what score she needs to get. Explain your reasoning.

Answers

Answer:

95 points

Step-by-step explanation:

Given

[tex]n = 370[/tex] --- expected point

See attachment for points

Required

An inequality to determine the points needed

First, we calculate the points (p) Lesha has already accumulated.

[tex]p = Test\ 1 + Test\ 2 + Test\ 3[/tex]

[tex]p = 75 + 100 + 100[/tex]

[tex]p = 275[/tex]

Let the number of points needed be t.

So:

[tex]p + t = 370[/tex] ---- i.e. She must score a total of 370

Make t the subject

[tex]t = 370 -p[/tex]

Substitute 275 for p

[tex]t = 370 -275[/tex]

[tex]t = 95[/tex]

how is the image of a figure that is dilated related to the original figure

Answers

the angle measures are preserved so all angles are the same
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