30% of all Skittles are supposed to be purple

a) If there are 84 skitties in a pack, how many should be purple?

b) What percentage or skittles are not purple?

c) Assuming that there are 18 purple Skittles in a pack then how many total Skittles are there?

Need asap, thank you!! :)

Answer:

To make a profit of course

Step-by-step explanation:

it

then

yes

Possibly.

Answer:

\({ \tt{f•g(x) = 4(2x + 5) {}^{2} }} \\ = { \tt{4(4 {x}^{2} + 20x + 25)}} \\ = { \tt{ {8x}^{2} + 80x + 100}} \\ \\ { \tt{f•g( - 3) = 8 {( - 3)}^{2} + 80( - 3) + 100 }} \\ { \tt{f•g( - 3) = 72 - 240 + 100}} \\ { \tt{f•g( - 3) = - 68}} \\ \\ \\ { \tt{g•f(x) = 2( {4x}^{2}) + 5 }} \\ { \tt{ = {8x}^{2} + 5 }} \\ { \tt{g•f( - 3) = 8 {( - 3)}^{2} + 5}} \\ { \tt{g•f( - 3) = 77}}\)

Answer:

There are three more square chocolates left

Step-by-step explanation:

We know that Irena breaks off 2 complete strips and eats 12 meaning each strip had 6 squares. Jack breaks off 9. So if we add all the squares into rows of 6, we get four strips of chocolate from the beginning. Since Jack and Irena obtained 21 chocolate squares altogether, we have 3 chocolate squares that are remaining. I hope this helps ;)

The number of Squares of chocolate left in the bar is; 15 squares

A square has 4 equal sides and since one row contains 6 squares because irena ate 2 complete rows that had 12 squares.

It means that each of the vertical height must also contain 6 squares as well.

Now, two rows are gone and so we now have 4 rows with vertical height of 4 squares. That is 24 squares left.

Now, Jack ate 9 squares and so;

Amount of squares left = 25 - 9 = 15

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Answer:

1846= 0% change

1847= 3.2/5 ×100 = 64% decrease in river

1848= 6.8/3.2 ×100 = 212.5% increase

( used 3.2 because that was the last record)

According to the Institute, the top five exporters from 2014 to 2018 were the United States, Russia, France, Germany and China, while the top five importers were Saudi Arabia, India, Egypt, Australia and Algeria. Many developed countries have domestic munitions industries to supply their armies.

The military industry, also known as defense industry, defense industry, military industry, or arms trade, is a global industry that manufactures and sells weapons and military technology. Companies in the public and private sectors conduct research and development, design, manufacture and maintenance of military equipment, equipment and facilities. Arms industry products include weapons, ammunition, weapons platforms, military communications, and other electronic products. The military industry also provides other logistical and operational support.

This was a 4.6% increase over 2017 sales, marking the fourth consecutive year of Top 100 firearm sales growth. In 2004, more than $30 billion was spent on international arms trade (this % figure does not include domestic arms sales). According to the Institute, the top five exporters from 2014-2018 were the United States, Russia, France, Germany and China, while the top five importers were Saudi Arabia, India, Egypt, Australia and Algeria.

Many developed countries have domestic munitions industries to supply their armed forces. The Small Arms Survey estimates that there are 875 million small arms in circulation worldwide, manufactured by more than 1,000 companies in approximately 100 countries.

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Answer:

she needs to save 150 a month

Step-by-step explanation:

1500 - 300 = 1200

1200 / 8 = 150

Answer: 150 dollars a month

Step-by-step explanation: 1500 - 300 = 1200

1200/8 = 150

Answer:

Step-by-step explanation:

2x+1=x-4

2x-x= -4-1

1x=-5

Answer: the Equation is y-3=0.4(x-1) or y-5=0.4(x-6).

Step-by-step explanation: I hope this helps.

Answer:

y=7.51

Step-by-step explanation:

First, you have to simplify one of the equations down

3x-y=4

y=-4+3x

Second, you insert the value of y into the other equation and then solve for x

9x+5(-4+3x)=8

9x-20+15x=8

24x=28

x=1.17

Last, insert the value of x into the original equation and then solve for y

y=4+3(1.17)

y=7.51

Answer:

Step-by-step explanación

0.02

When the mean number of points scored per game next season is 60, the model predicts that the mean home attendance will be 11902

The function that predicts the attendance is given as:

\(y = -7628+325.5x\)

When the mean number of points scored per game next season is 60, it means that the value of x is 60

i.e. x = 60

Substitute 60 for x in the function

So, we have:

\(y = -7628+325.5 \times 60\)

Evaluate the product

\(y = -7628+19530\)

Add -7628 and 19530

\(y = 11902\)

Hence, the model predicts that the mean home attendance will be 11902

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Answer:

48

Step-by-step explanation:

Answer:

D + E = 2x⁴ + x³ –  3x²   + x + 1

D - E  = 9x³ +  x²   + x – 3

Step-by-step explanation:

D = x⁴ + 5x³ – x² + x – 1

E = x⁴ – 4x³ – 2x² + 2

D + E :                                                   D - E :

 x⁴ + 5x³ –  x²   + x – 1                          x⁴ + 5x³ –  x²   + x – 1  

+                                                         –                                                                  

 x⁴ – 4x³ – 2x² + 0 + 2                         x⁴ – 4x³ – 2x² + 0 + 2

_________________                      _________________

2x⁴ + x³ –  3x²   + x + 1                          0  +  9x³ +  x²   + x – 3

Answer:

370mm

Step-by-step explanation:

15mm×30mm=450mm

8mm×10mm

450mm-80mm =370mm

Answer:

x = 2

y = 3

Explanation:

Answer:

36

Step-by-step explanation:

When you multiply -6 x -6 you get 36.

Hope this helps:)

Answer:

it would still be the same length due to the fact that it did not change lengths.

Step-by-step explanation:

We would expect to find the middle 68% of the average amounts of nicotine in a sample of size 41 to be between approximately 0.901 g and 0.991 g by using properties of the normal distribution.

To find the range in which you would expect to find the middle 68% of amounts of nicotine in these cigarettes, we can use the properties of the normal distribution.

Given:
Mean (μ) = 0.946 g
Standard deviation (σ) = 0.289 g

For a normal distribution, approximately 68% of the data falls within one standard deviation of the mean. Therefore, we can expect the middle 68% of amounts of nicotine to fall within the range:

μ ± σ

Substituting the given values:

0.946 ± 0.289

To calculate the range, we have:

Lower bound = 0.946 - 0.289 ≈ 0.657 g
Upper bound = 0.946 + 0.289 ≈ 1.235 g

Therefore, we can expect to find the middle 68% of amounts of nicotine in these cigarettes to be between approximately 0.657 g and 1.235 g.

Now, if we were to draw samples of size 41 from this population, the standard deviation of the sample mean (also known as the standard error) can be calculated as:

Standard error (SE) = σ / √n

where σ is the population standard deviation and n is the sample size.

Substituting the given values:

SE = 0.289 / √41 ≈ 0.045 g

To find the range in which we would expect to find the middle 68% of the sample means, we multiply the standard error by 1 to capture approximately 68% of the data, giving us:

Lower bound = μ - SE ≈ 0.946 - 0.045 ≈ 0.901 g
Upper bound = μ + SE ≈ 0.946 + 0.045 ≈ 0.991 g

Therefore, we would expect to find the middle 68% of the average amounts of nicotine in a sample of size 41 to be between approximately 0.901 g and 0.991 g.

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Answer:

720

Because

area of squre =SIDE MULTIPLE BY SIDE

SO

10 MULTIPLE 3 MULTIPLE 4 MULTIPLE 6

SO ANS 720

The solution to the equation is θ = -0.3218 + kπ.

To solve the equation tan(θ) = -1/3, we can use the inverse tangent function (arctan) to find the angle θ.

Step 1: Take the inverse tangent (arctan) of both sides of the equation:

arctan(tan(θ)) = arctan(-1/3)

Step 2: Simplify the left side using the identity: arctan(tan(θ)) = θ

θ = arctan(-1/3)

Step 3: Use a calculator or reference table to find the value of arctan(-1/3).

arctan(-1/3) ≈ -0.3218 (rounded to four decimal places)

Therefore, the solution to the equation tan(θ) = -1/3 is:

θ ≈ -0.3218 + kπ, where k is any integer.

Correct Question :

Solve the given equation. let k be any integer. round terms to two decimal places where appropriate.) tan(θ)= − 1/3.

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Answer: If you have a boquet with 20 items with a ratio of 2:3 (baby breath to roses), then you have 8 red roses to 12 baby breath stems.

NOTE: Please let me know if you have a different scenario to solve.

Step-by-step explanation:

The ratio is (baby breath) 2:3 (roses)

Red roses are 2x and baby breath is 3x

Solve for a boquet containing 20 stems:

2x+3x= 20

5x=20

x=20/5

x=4

Red roses: 2x = 8 stems

Baby breath: 3x = 12 stems

If the GPA's are normally distributed, then the percentage of students that have a GPA between 2.5 and 3.7 is (b) 68%.

In order to find the percentage of students at the college with a GPA between 2.5 and 3.7, we need to calculate z-scores for each GPA value and find area under normal distribution curve between those 2 z-scores.

First, we convert 2.5 and 3.7 to z-scores using the formula:

⇒ z = (x - μ)/σ,

where x = GPA value, μ = mean = 3.1 , and σ = standard-deviation = 0.6.

The z-score for 2.5 :

⇒ z = (2.5 - 3.1)/0.6 = -1,

The z-score for 3.7 :

⇒ z = (3.7 - 3.1)/0.6 = 1,

We use a standard normal distribution table to find area under curve between -1 and 1.

we get , P(-1 < Z < 1) = 0.6827,

Therefore, 68.27% of students at the college have a GPA between 2.5 and 3.7, the correct option is (b) 68%.

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This equation provides us with the number of paintings Kaylani can complete in any given time T, assuming that her rate is constant.

P = (5 / 24) * T

Let us use the variables P and T from the problem statement.

We can deduce from the information provided that Kaylani can complete P paintings in T hours. As a result, her painting rate is:

R = P / T

We also know Kaylani can complete five paintings in 24 hours. Using the same rate formula, we may write:

R = 5 / 24

We can set the two equations for R equal to each other because Kaylani's pace of painting is the same in both cases:

P / T = 5 / 24

We can solve for P by multiplying both sides by T:

P = (5 / 24) * T

This equation provides us with the number of paintings Kaylani can complete in any given time T, assuming that her rate is constant.

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Answer: x=8 or x=-2

Step-by-step explanation:

It would be the first option on the test.

You should subtract 25 on both sides to get this equation x^2-6x-16 in order to factor.  There are three multiplication equations to get to the number 16 which is 1*16, 2*8, and 4*4.  1*16 wouldn't work since you would get either 17, 15 or -15, 4*4 would also not work since you would get +/-8 or 0, which would finalize our two numbers 2 and 8.

Since the c value is negative you would need to get one of your numbers negative which would be -8 since -8 + 2 = -6 which would factor out to (x-8)(x+2).  Subtract -8 and 2 for each x values to get 8 and -2.

x=-2 or x=8 are the  values of x in the equation x²-6x + 9= 25.

A quadratic equation is a second-order polynomial equation in a single variable x , ax2+bx+c=0. with a ≠ 0 .

The given equation is x²-6x + 9= 25

We need to find the values of x.

x²-6x + 9= 25

Let us convert this equation to a quadratic equation.

x²-6x + 9 - 25 = 0

x²-6x -16=0

Now let us factorize the equation

x²-8x+2x -16=0

Take common terms

x(x-8)+2(x-8)=0

(x+2)(x-8)=0

x=-2 or x=8

Hence, x=-2 or x=8 are the  values of x in the equation x²-6x + 9= 25.

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Answer:

The solution will be "x = 2 and x = -1".

Step-by-step explanation:

The given equation is:

⇒  \(2^{2x+2}\times 5^{x-1}=8^x\times 5^{2x}\)

On solving "\(8^x\)", we get

⇒  \(2^{2x+2}\times 5^{x-1}=(2^3)^x\times 5^{2x}\)

As we know, if the base are same then their powers will be added together.

⇒  \(2x+2=3x\) ...(equation 1)

⇒  \(x-1=2x\) ...(equation 2)

From equation 1, we get

⇒  \(2=3x-2x\)

⇒  \(2=x \ i.e., x =2\)

From equation 2, we get

⇒  \(-1=2x-x\)

⇒  \(-1=x \ i.e., x=-1\)

So that the correct answer will be "x = 2" and "x = -1".

The probability P(X=2, Y+Z ≤ 3) is 13. Random variables are variables in probability theory that represent the outcomes of a random experiment or event.

To find the probability P(X=2, Y+Z ≤ 3), we need to sum up the joint probabilities of all possible combinations of X=2, Y, and Z that satisfy the condition Y+Z ≤ 3.

Step 1: List all the possible combinations of X=2, Y, and Z that satisfy Y+Z ≤ 3:

X=2, Y=1, Z=1

X=2, Y=1, Z=2

X=2, Y=2, Z=1

Step 2: Calculate the joint probability for each combination:

For X=2, Y=1, Z=1:

f(2, 1, 1) = (2+1) * 1 = 3

For X=2, Y=1, Z=2:

f(2, 1, 2) = (2+1) * 2 = 6

For X=2, Y=2, Z=1:

f(2, 2, 1) = (2+2) * 1 = 4

Step 3: Sum up the joint probabilities:

P(X=2, Y+Z ≤ 3) = f(2, 1, 1) + f(2, 1, 2) + f(2, 2, 1) = 3 + 6 + 4 = 13

They assign numerical values to the possible outcomes of an experiment, allowing us to analyze and quantify the probabilities associated with different outcomes.

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Answer:

74

Step-by-step explanation:

102-56=abc/46

56 is bcd and be cuts it in half so cbe is 28 then add 46+28=74