A bag holds 12 red marbles, 11 green marbles, 17 blue marbles, and 5 yellow marbles. What is the probability that you will NOT choose a blue
marble?

Answers

Answer 1

Answer:

No of sample space , n(s) = 12 + 11 + 17 + 5 = 45

No of favorable cases , n(e) = 17

Probability of getting blue marble ,

P(e) = n(e)/n(s)

       = 17 / 45

NOW

Probability of not getting blue marble,

P'(e) = 1 - p(e)

      = 1 - 17 / 45

     = ( 45 - 17)/45

    = 28 / 45

Hope it helped :)

Step-by-step explanation:


Related Questions

what is 75 percent of 18

Answers

Answer:

13.5

Step-by-step explanation:

Find the missing dimensions: Use the scale factor 1/4:3

Answers

Answer:

The answer is 1/4!

Step-by-step explanation:

I believe it’s 1/4 I’m not sure sorry if I’m wrong

12.
The cost to hire an electrician is $50 plus $65 per hour. How many hours
did the electrician work if his bill was $505?

Answers

Answer:

7 hours

Step-by-step explanation:

First subtract 50 from 505 (505 - 50) which equals 455. Next divide 455 by 65 (455/65) which is 7. Therefore the answer is 7.

7 hours

If his bill is $505, he worked for 7 hours.

Answer these questions

Answers

Answer:

y = 5

Step-by-step explanation:

first you subtract 5y from itself and from 7y

then you'll get: 2y + 2 < 12

then subtract the 2 from itself and from the 12

that will give you: 2y < 10

then just divide the 2 from itself and that eliminates the 2 but keeps the y, and divide the 10 by the 2

that'll give you y = 5

At the Lincoln County Animal Shelter, there are currently 6 dogs and 4 cats. Write the ratio of cats to dogs in simplest form as a fraction.

Answers

Answer:

2/3

Step-by-step explanation:

4 cats / 6 dogs  = 2/3

simplify by dividing by 2

4:6

2:3

2/3

Find the GCD (or HCF) of numerator and denominator. GCD of 6 and 4 is 2.

6 ÷ 24 ÷ 2.

Reduced fraction: 32. Therefore, 6/4 simplified to lowest terms is 3/2.

since you’re wanting cats to dogs, just flip it

x^8+8x^7+15x^6−9x^5−72x^4−135x^3+8x^2+64x+120

Factor completely given the following factors: (x+5) and (x+3)

There should be 6 factors (2 given, 2 binomials, and 2 trinomials.)
show steps

Answers

Answer:

(x+3)(x+5)(x-2)(x-1)(x^2+2x+4)(x^2+x+1) where the given one is bolded the 2 binomials is italicized  and the 2 trinomials is underlined

Step-by-step explanation:

Question 7 of 10

If P(A) = 3/4, P(B)=1/2 , and P(AUB)=11/12 what is P(A n B)?

A. 1/3
B. 3/4
C. 3/8
D. 1/12

Answers

P(A n B) = P(A U B) - P(A) - P(B)

= 11/12 - 3/4 - 1/2

= (11 - 9 - 6)/12

= 4/12

=

Given that a + b = 2 and that a + b2=6, prove that 2ab = -2. Find also the value of (a - b)?​

Answers

The answer is most likely to be 8.

Combine the like terms to create an equivalent expression:
-12-6p-(-2)

Answers

Answer:-2(5+3p)

Step-by-step explanation:

-2(5+3p) trust me this is really simple if you just think about it

I am stuck. The screenshot will explain

Answers

Add the first expression
0.2+0.05=0.25
Multiply the second expression
0.2x0.05=0.010
Divide the results by each other
0.25/0.010
Get your answer
25

Hope this helps!

Write the linear equation in slope-intercept form and simplify.
–4x + 13y = 7

Answers

[tex]\\ \sf\longmapsto -4x+13y=7[/tex]

[tex]\\ \sf\longmapsto 13y=4x+7[/tex]

[tex]\\ \sf\longmapsto y=\dfrac{4x+7}{13}[/tex]

[tex]\\ \sf\longmapsto y=\dfrac{4}{13}x+\dfrac{7}{13}[/tex]

What is the slope of the line shown in the graph?

Answers

Answer:

-3/2

Step-by-step explanation:

solve pls brainliest

Answers

Answer:

y = 13x

Step-by-step explanation:

Substitute 2 in x and you'll get 26:

y = 13•2

y = 26

Please solve correctly :)

Part C only!!!​

Answers

Answer:

So, the average rate of change is 0.475.

Step-by-step explanation:

If n = 2, then f(n) = 8.82. If n = 6, then f(n) ≈ 10.72. Now, 10.72 – 8.82/ 6 – 2 = 1.9/ 4 = 0.475.

Hi, please help again lol

Answers

Answer:

?? No questions asked here

WILL MARK AS BRAINLIEST

Answers

Answer:

18.06

Step-by-step explanation:

7+6=13

34+38=72

13 IS 18.06 PERCENT OUT OF 72.

Answer:

Percentanges are factors so

41 Women + 44 Men = 85 shoppers

7 Women + 6 Men = 13 Online shoppers

13 out of 85 13/85 = 15% of total people surveyed shop online

Step-by-step explanation:

Hope this helps! BH

If x= 4, find 6x- x^2.

Answers

Answer: 8

Step-by-step explanation: (6)(4)-4^2                                                                 24−4^2                                                                                                                       24−16                                                                                                                         8          

does anyone like math in this world?

Answers

Answer:

i mean math is my second favorite subject

Step-by-step explanation:

to be honest i hate math it makes me cry when i have to do it

Each diagram shows △ABC and △DEF on the coordinate plane, with ∠A ≅ ∠E,
and ∠C ≅ ∠F. Identify whether the two triangles are congruent. If they are not
congruent, explain how you know. If they are congruent, find the length of each
side of each triangle.

Please help a brother out, I need this for a test.

Answers

Answer:

they are not congruent

Step-by-step explanation:

Can someone please help me? Thank you!

Answers

Answer:

Step-by-step explanation:

1) [tex]5^{\frac{2}{3} }[/tex] is in exponential form.

Now, radical form is [tex]\sqrt[3]{5^{2} }[/tex]

2) [tex]5^{\frac{1}{2} }[/tex] is in exponential form.

Radical form is [tex]\sqrt{5}[/tex]

3) [tex]3^{\frac{2}{5} }[/tex] is in exponential form.

Radical form is [tex]\sqrt[5]{3^{2} }[/tex]

4) [tex]3^{\frac{5}{2} }[/tex] is in exponential form.

Radical form is [tex]\sqrt{3^{5} }[/tex]

If you need to ask any question, please let me know.

can someone please assist me in these equations!?!?! pls​

Answers

Answer:

1. -9 because -9x6= -54, -10 because 5 x -10= -50, and x=1 because -2 x 1= -2

Step-by-step explanation:

Answer:

1. = −9

2. = −10

3. = 1

Step-by-step explanation:

The diagram shows 5 triangles. All lengths are in centimetres. Which two triangles are congruent to each other

Answers

Answer:

It should be A & D

Step-by-step explanation:

These two are the only ones that have the exact same numbers on all three sides. They are congruent based on SSS.

Zane calculated the missing side length of one of these triangles using the pythagorean theorem. Which triangle is it? a b c d.

Answers

Answer:

d

Step-by-step explanation:

The speed of sound is approximately 720 miles per hour at sea level. At this rate, how many feet does it travel in 20 seconds? Use 1 mile=5280 feet.

Answers

Answer: 21120 feet.

Step-by-step explanation: We start with the fraction 1/180, found by putting 20 seconds over one hour. Then, we need to get the amount of miles the speed of sound travels in 20 seconds. We can use the fraction above as a ratio to get it. 720/1 x 1/180 = 4 miles. Then, we'll just do 4 times 5280, which is 21120.

The distance travelled by sound in 20 seconds is 21120 feet.

What is speed?

In unit time the distance covered by any object is called speed.

In mathematical term, Speed is express as S=D/T,

where S=speed, D=distance, T= time.

Given that,

The speed of sound = 720 miles per hour.

According to given condition,

1 hour = 720 miles

Since, 1 hour = 60 minutes

60 minutes = 720 miles

1 minute = 12 miles.

1 minute = 60 seconds

60 second = 12 miles

1 second = 12 / 60  = 1/5 miles

20 second = 20 / 5 = 4 miles

According to given condition,

1 mile = 5280 feet

Therefore,

20 second = 5280 x 4 = 21120 feet

The distance travelled in 20 seconds is 21120 feet.

To know more on Speed on

https://brainly.com/question/4926312

#SPJ5

please help me its easy ​

Answers

Answer: 31.6

Step-by-step explanation:

Answer the following problem using the SOLVE Method Math Club members are selling Math club members are selling Pi Day T-shirts for $7.50 each. The goal is to raise $500 by Friday. The figure below shows how much they have raised by Wednesday. What is the minimum number of T-shirts they must still sell in order to reach their goal? Explain your reasoning.

Answers

The minimum number of T-shirt that they must sell to raise $500 is 67 T-shirts

Let x represent the number of Pi Day T-shirts sold.

They are selling Pi Day T-shirts for $7.50 each, So to raise $500:

7.5x > 500

Dividing through by 7.5:

7.5x / 7.5 > 500 / 7.5

x > 66.7

Hence, the minimum number of T-shirt that they must sell to raise $500 is 67 T-shirts

Find out more at: https://brainly.com/question/25285332

What’s the scale factor

Answers

Answer:

Step-by-step explanation:

The scale is depending on the size of each cat. Lets say the larger cat is A and the smaller one is B. The scale factor from B to A is 1.75 (or 3.5/2)

when solving for scale factor you divide the original drawing and scale drawing. Original is denominator, Scale is Numerator.

A group of friends were working on a student film that had a budget of $1200. They use 63% of their budget on equipment. How much money did they spend on equipment?

Answers

Answer:

$756

Step-by-step explanation:

To find the percentage of a number just move the percentage amount decimal over two spaces and multiply like so

63%=.63

.63 x 1200

They used $756 on equipment

A floor is covered by 800 tiles measuring 10cm^2. How many square tiles of side 8cm would be needed to cover the same floor

Answers

Answer:

125 square tiles

Step-by-step explanation:

(800*10)/8^2=8000/64=125

How many grams are contained in 0.54 moles of calcium?

Answers

The number of grams present in 0.54 moles of calcium is; 22 g

We are given;

Number of moles; n = 0.54 moles

Now, Molar mass of calcium is;

M = 40.1 g

Formula for number of moles is;

n = m/M

Where;

n is number of moles

m is mass in grams

M is molar mass

Thus;

0.54 = m/40.1

m = 40.1 × 0.54

m = 21.654 g

Approximately m = 22 g

Read more at; https://brainly.com/question/5397233

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