WILL MARK BRANILIEST
Celia has a playlist of 21 songs that she listens to when she studies. The playlist includes 14 songs by Celia’s favorite band.

If Celia sets the playlist to randomly shuffle the songs with no repeats, what is the probability that first two songs played are by her favorite band?

A. 13/30

B. 4/9

C. 26/63

D. 1/7

9514 1404 393

Answer:

  D.  8 (m +12)

Step-by-step explanation:

One cannot factor the coefficient from the first term and apply that to both terms. The result is NOT equivalent.

  8m +12 ≠ 8(m +12) = 8m +96

Answer:

A=32.5

Step-by-step explanation:

A=(4+9)*5/2

A=13*5/2

A=65/2

A=32.5

Answer:

0.32 = 32% probability that an employee selected at random will need either corrective shoes or major dental work.

Step-by-step explanation:

We solve this question treating these events as Venn probabilities.

I am going to say that:

Event A: Needing corrective shoes.

Event B: Needing major dental work.

14% of the employees needed corrective shoes

This means that [tex]P(A) = 0.14[/tex]

21% needed major dental work

This means that [tex]P(B) = 0.21[/tex]

3% needed both corrective shoes and major dental work.

This means that [tex]P(A \cap B) = 0.03[/tex]

What is the probability that an employee selected at random will need either corrective shoes or major dental work?

This is:

[tex]P(A \cup B) = P(A) + P(B) - P(A \cap B)[/tex]

So, from the values given by the exercise:

[tex]P(A \cup B) = 0.14 + 0.21 - 0.03 = 0.32[/tex]

0.32 = 32% probability that an employee selected at random will need either corrective shoes or major dental work.

Answer:

B

Step-by-step explanation:

Look at the graph, it passes to (0,3), so you need to replace that coordinate into A,B,C,D. Then you can see, there is only B and C satisfies.

[tex]Y=3(\frac{1}{3} )^{0}=3.1=3.[/tex]

and

[tex]Y=(\frac{1}{2} )^{0}+2=1+2=3[/tex]

Next step, you can see when x approach to infinite then Y approach to 0.

Hence, we will take limit of B and C, if limit B or C equals to 0 then we will choose.

[tex]\lim_{x \to \infty} {3(\frac{1}{3})^x=3. \lim_{x \to \infty} {(\frac{1}{3})^x=3.0=0[/tex]

and

[tex]\lim_{x \to \infty} {[(\frac{1}{2})^x+2]}= \lim_{x \to \infty} {(\frac{1}{2})^x}+ \lim_{x \to \infty} {2}=0+2=2[/tex]

We can see that only B is satisfied.

Answer:

p = 21, and q = 30

Step-by-step explanation:

If x is directly proportional to y, then we know:

y = 35x / 60

We can factor 5 out of that, giving us:

y = 7x / 12

We can also find the inverse of that relationship:

y = 7x / 12

12y = 7x

x = 12y / 7

So in the second row, where x = 36:

y = 7 × 36 / 12

y = 7 × 3

y = 21

And in the third row where y = 17.5:

x = 12 × 17.5 / 7

x = 210 / 7

x = 30

So p = 21, and q = 30

Answer:

s=$35n

Step-by-step explanation:

have fun w/ this (also can I get brainiest?)

Answer:

21/22

Step-by-step explanation:

Well, 14+11 is 25. 7/14 are green, 6/11 are white. Ok, so 7/14 large marbles are green, and 5/11 small marbles are white. So now we add.

7/14+5/11

1/2+5/11

11/22+10/22

21/22

Answer:

13.5

Step-by-step explanation:

Answer:

We need to know what the program is...

Step-by-step explanation:

This question is literally unanswerable as some programs last 2 seconds and some would last thousands of years. More context as to what the program is please.

The sum of the angles for a 4 sides figure must add up to 360.

Angle 1 and angle 2 are between similar sides so the 2 angles are identical.

Subtract the known angles from 360:

360 - 72 - 18 = 270

Divide that by 2:

270*2 = 135

Angle 2 = 135 degrees.

Answer: 4096

Step-by-step explanation: 2^12

There are 4096 different color combinations are possible.

Each of the different groups or selections can be formed by taking some or all of a number of objects, irrespective of their arrangments is called a combination.

Given that The shirt printing company offers 12 colors to choose from for the logo design.

Here, we need to get the possible number of color combinations possible.

Since any number of colors can be chosen, there are no restriction.

That means the number of possible color combinations are;

[tex]2^{12} = 4096[/tex]

There are 4096 different color combinations are possible.

Learn more about combinations and permutations here:

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Answer:

C

Step-by-step explanation:

I saw em in other ones

Answer:

X = 56

Step-by-step explanation:

Answer:

25%

Step-by-step explanation:

right on the test

The required probability of the coin landed on heads and the die landed on an even number is 25%.

Given,
Meghan flipped a quarter and rolled a standard six-sided die. The probability that the coin landed on heads and the die landed on an even number is to be determined.

Probability can be defined as the ratio of favorable outcomes to the total number of events.

Sample space of coin = { head, tail } = 2
Sample space for die = { 1, 2, 3, 4, 5, 6 } = 6
favorable outcome for coin  = head = 1
favorable outcome for the die to landed on even number = {2, 4, 6} = 3

Now the probability that the coin landed on heads and the die landed on an even number is,
P = probability of head-on coin * probability of the even number on die
P =  1/2*3/6
P = 1/4
P = 0.25 and 25%

Thus, the required probability of the coin landed on heads and the die landed on an even number is 25%.

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Answer:

On the 12th day

Step-by-step explanation:

12 is a multiple of both 4 and 6

Answer:

1/4 : 3 = 0.75

0.75 = 3,4

So B is the correct answer.

Answer:

The perimeter of a square is 20

if length of the square is x

perimeter of a square = x + x+ x + x = 4x = 20

4x = 20

x= 20/4

x = 5

Let get the length of one of the diagonal is y

According to the Pythagoras  low,

y^2 = x^2 + x^2

y^2 = 5^2 + 5^2

y^2 = 25 + 25

y^2 = 50

y= sqrt(50)

Step-by-step explanation:

Answer:

I think D

Step-by-step explanation:

not completely sure

Because the fractions that contain the variable z are different in each side of the equal sign and there are no radicals in the equation, the answer would be:

It has one solution

Answer:

B, D, F, and H

Step-by-step explanation:

You substitute in each of the numbers for x and see if it equals one of the values in the range. {-37, -25, -13, -1}

A)  -6(1)+11=-5 NO

B)  -6(2)+11=-1 YES

C)  -6(3)+11=-7 NO

D)  -6(4)+11=-13 YES

E)  -6(5)+11=-19 NO

F)  -6(6)+11=-25 YES

G)  -6(7)+11=-31 NO

H)  -6(8)+11=-37 YES

So the ones to select are B, D, F, and H.

Answer:

me

Step-by-step explanation:

Answer:

305,080.0809 is the answer

Answer:

A and B

Step-by-step explanation:

Answer:

0.294 = 29.4% probability that none of the chosen entrees contain spinach.

Step-by-step explanation:

The choices of entrees are chosen without replacement, which means that the hypergeomtric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x sucesses is given by the following formula:

[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}[/tex]

In which:

x is the number of sucesses.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

Combinations formula:

[tex]C_{n,x}[/tex] is the number of different combinations of x objects from a set of n elements, given by the following formula.

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

13 different entrees for an important banquet

This means that [tex]N = 13[/tex]

3 of which contain spinach.

This means that [tex]k = 3[/tex]

The guests will have a choice of 4 entrees.

This means that [tex]n = 4[/tex]

What is the probability that none of the chosen entrees contain spinach?

This is P(X = 0). So

[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}[/tex]

[tex]P(X = 0) = h(0,13,4,3) = \frac{C_{3,0}*C_{10,4}}{C_{13,4}} = 0.294[/tex]

0.294 = 29.4% probability that none of the chosen entrees contain spinach.

The space inside a paper bag, the amount of water in a pond and the amount of soup a bowl will hold. Therefore, options A, B and D are the correct answers.

Volume is the measure of the capacity that an object holds.

Formula to find the volume of the object is Volume = Area of a base × Height.

Volume is the amount of space taken up by an object, while capacity is the measure of an object's ability to hold a substance, like a solid, a liquid or a gas. Volume is measured in cubic units, while capacity can be measured in almost every other unit, including liters, gallons, pounds, etc.

Therefore, options A, B and D are the correct answers.

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Answer:

Hey

Step-by-step explanation:

Answer is b. 42

2(17+6)−4

From the above explanation, the option B statement is not correct.

From the given options we need to identify which statement is not correct.

An obtuse angle is any angle greater than 90° and less than 180°.

From option A:

100° angle is an obtuse angle, because which is greater than 90° and less than 180°.

From option B:

175° angle is a reflex angle because it is greater than 180° and less than 360°.

From option C:

Less than 90° lies in I quadrant, more than 90° and less than 180° lies in II quadrant and more than 180° and less than 270° lies in III quadrant.

From option D:

An 85° angle is an acute angle because it is greater than 0° and less than 90°.

From the above explanation, the option B statement is not correct.

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Answer:

y=2x

Step-by-step explanation:

2   1

4   2

6   3