Sally is making bouquets of flowers with the ratio of red to white flowers being 2:3. If Sally used 12 red flowers, how many white flowers will she use?

Step-by-step explanation:

nail-polish remover.

etilic alcool

Let's find the magnitude of each component:

Let:

 \((x1,y1)=(4,4)\)

\((x2,y2)=(-12,8)\)

     \(u=ax+by\)

  \(||u||=\sqrt{a^2+b^2}\)

So, let's find a and b:

\(a=|x2-x1|=|-12-4|=|-16|=16\)

       \(b=|y2-y1|=|8-4|=|4|=4\)

so:

\(||u||=\sqrt{16^2+4^2}\)

   \(||u||=\sqrt{272}\)

 \(||u||\thickapprox16.492\)

And the direction is:

         \(\theta=180-\text{tan}^{-1}\huge \text(\dfrac{b}{a}\huge \text)\)

        \(\theta=180-\text{tan}^{-1}\huge \text(\dfrac{4}{16}\huge \text)\)

\(\theta\thickapprox180-\text{tan}^{-1}\huge \text(\dfrac{4}{16}\huge \text)\thickapprox165.964\)

Answer:

56 i believe

Step-by-step explanation:

Answer:1

Step-by-step explanation:3^2 is 9-6 is 3/3 is 1

Answer:

100 metere is 1 km

Thanks for the question

Answer:

502.65

Step-by-step explanation:

The type of function is a linear function and the anture of change is  every increase of 1 in x, there will be an increase of 2 in f(x).

The explicit equation for this linear function is: f(x) = 2x + 9 and  the recursive equation for this linear function is not necessary.

What is an explicit equation?

Looking at the values of x and f(x), we can see that there is a linear relationship between them. Specifically, we can observe that as x increases by 1, f(x) increases by 2. This suggests that the function is a linear function with a slope of 2 and a y-intercept of 9.

Therefore, the type of function is a linear function.

The explicit equation for a linear function is:

f(x) = mx + b

where m is the slope of the line and b is the y-intercept. From the given values, we know that the slope is 2 and the y-intercept is 9. Thus, the explicit equation for this linear function is:

f(x) = 2x + 9

The recursive equation for a linear function can be obtained by expressing the current term as a function of the previous term. However, since this is a linear function, we can simply express it using the explicit formula. Therefore, the recursive equation for this linear function is not necessary.

Nature of changes: As mentioned earlier, the function is a linear function with a positive slope of 2. This means that as x increases, the value of f(x) will also increase. Specifically, for every increase of 1 in x, there will be an increase of 2 in f(x).

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Complete question is: The type of function is a linear function and the anture of change is  every increase of 1 in x, there will be an increase of 2 in f(x). The explicit equation for this linear function is: f(x) = 2x + 9 and  the recursive equation for this linear function is not necessary.

It is possible to construct a triangle whose sides are 10.2 cm 5.8 cm and 4.5 cm because the sum of two sides are greater than three sides.

In the given question, we have to check that it is possible to construct a triangle whose sides are 10.2 cm 5.8 cm and 4.5 cm.

The sum of the two sides must always be greater than the third side in order to determine whether or not the given sides may form a triangle.

To check this we firstly add the 10.2 and 5.8

10.2 + 5.8 > 4.5

16 > 4.5

Now we add 5.8 and 4.5

5.8 + 4.5 > 10.2

10.3 > 10.2

Now we add 10.2 and 4.5

10.2 + 4.5 > 5.8

14.7 > 5.8

It is possible to construct a triangle whose sides are 10.2 cm 5.8 cm and 4.5 cm because the sum of two sides are greater than three sides.

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Answer:

There are 4 queens in a pack of 52 cards, and there are also 13 diamonds and 26 black cards (13 clubs and 13 spades).

To find the probability of getting a queen or a diamond or a black card, we need to add the probabilities of each event happening and subtract the probability of getting a card that is both a queen and a diamond (the queen of diamonds).

Probability of getting a queen = 4/52 = 1/13

Probability of getting a diamond = 13/52 = 1/4

Probability of getting a black card = 26/52 = 1/2

Probability of getting the queen of diamonds = 1/52

So, the probability of getting a queen or a diamond or a black card is:

(1/13) + (1/4) + (1/2) - (1/52) = 51/52 or approximately 0.98

Therefore, the probability of getting a queen or a diamond or a black card is approximately 0.98.

Answer:

50% chance

Step-by-step explanation:

Answer: 0.2

Step-by-step explanation: This answer is correct and the answer that the current person put is wrong, it isn’t even an answer choice.

Therefore, the expression 9q² - 2(3q-7) + 5q² is equivalent to 14q² - 6q + 14.

To simplify the expression 9q² - 2(3q-7) + 5q², we can apply the distributive property and combine like terms.

Expanding the expression within the parentheses:

9q² - 2 * 3q + 2 * 7 + 5q²

Simplifying further:

9q² - 6q + 14 + 5q²

Combining like terms:

(9q² + 5q²) + (-6q + 14)

Simplifying within the parentheses:

14q² - 6q + 14

Therefore, the expression 9q² - 2(3q-7) + 5q² is equivalent to 14q² - 6q + 14.

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The following statements are correct in the inscribed quadrilateral in a circle:

x° + y° = 180°

z = 87°

x = 82°

An inscribed quadrilateral is a quadrilateral whose four vertices lie on a circle. Here are some properties of an inscribed quadrilateral in a circle

Since the opposite angles of an inscribed quadrilateral in a circle are supplementary i.e. the sum of the opposite angles is 180 degrees. We can write the following statements:

x° + y° = 180°

z° + 93° = 180°

z = 180 - 93 = 87°

Since x is an inscribed angle that intercepts the arc 58 + 106° = 164°. Thus, by the Inscribed Angle Theorem:

x = 164/2 = 82°

y = 180 - 82 = 98°

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Answer:

Step-by-step explanation:

The equation of the line with slope m and having the y-intercept c is,

y=mx+c.

Here, the slope of the line is m=-3

Since the line equation is passing through the point (6,7).

That is, substitute 6 for x, 7 for y, and -3 for m in the equation y=mx+c

7=-3(6)+c

7=-18+c

c=25

Therefore, the equation of the line is,

y=-3x+25.

Answer:

Y=-5X+1

Step-by-step explanation:

Answer:

y = -5x + 1

Step-by-step explanation:

y = mx + b

m = \(\frac{y_{2}- y_{1} }{x_{2}- x_{1}}\) = \(\frac{-9-(-4)}{2-1} = -5\)

y = -5x + b: then plug in a point to find b

-19 = -5(4) + b

-19 = -20 + b

b = 1

Plug in all the values to get: y = -5x + 1

Step-by-step explanation:

\( \frac{ {(2 - b)}^{2} }{{(b - 2)}^{2} } \)

\( \frac{(2-b)(2-b)}{(b - 2)(b - 2)} \)

\( \frac{4 - 2b - 2b + {b}^{2} }{ {b}^{2} - 2b - 2b + 4 } \)

\( \frac{4 - 4b + {b}^{2} }{ {b}^{2} - 4b + 4 } \)

(Rearrange)

\( \frac{ {b}^{2} - 4b + 4 }{ {b}^{2} - 4b + 4 } \)

Then eliminate same sign above and below.

since they all have pair, therefore the equation is equal to 1.

(If anybody did any answer please delete this I feel so embarrassed haha)

I hope you understand and let me know whether this helps :)

Seraphina's speed has increased by a factor of around 23% compared to the first hour.

What Is a Change in Percentage?

The ratio of the difference in the amount to its starting value multiplied by 100 is known as the percentage change. When a number's final value is determined by increasing or decreasing a percentage of its starting value, the percentage change of that quantity will always change.

How can you determine the percentage to the closest tenth?

Rounding to the closest tenth entails adding one integer after the decimal point. The number in the thousandths place, or the second number from the right of the decimal, must be considered while rounding. If the amount is five or more, we add one percent to the number in the tenth position.

Percent Change Formula = \(\frac{ (Final value -Initial value)}{ (Initial value)}\)× 100

Percent Change               = \(\frac{(74-60)}{60}\)× 100

…                                     = \(\frac{14}{60}\) × 100

...                                     ≈ 0.23333 × 100

Percent Change             ≈ 23.33%

The pace of Seraphina increased by around 23% in the second hour compared to the first.

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Answer:

8,000!

Step-by-step explanation:

Good day :)

Answer:

i don't know it can be 7

Step-by-step explanation:

because added it and the first number is 7 but i don't know i hope this helped a little

In order to generalize about a population using data from a sample, researchers should employ appropriate sampling techniques to ensure representative and unbiased results.

By using random sampling methods and ensuring an adequate sample size, researchers can increase the likelihood of accurate population generalization.

When researchers want to make inferences about a population based on data collected from a sample, it is crucial to use proper sampling techniques. Random sampling is widely considered the best approach to achieve representativeness. By randomly selecting individuals from the population, researchers can minimize bias and increase the likelihood of obtaining a sample that accurately reflects the population's characteristics.

Additionally, the sample size plays a crucial role in generalization. A larger sample size generally provides more reliable estimates of population parameters. With a larger sample, there is a higher chance of capturing the diversity and variability present in the population, reducing the margin of error in the generalizations made.

Furthermore, researchers should consider the sampling frame—the list or source from which the sample is drawn. The sampling frame should be comprehensive and include all members of the population of interest. If the sampling frame is incomplete or biased, it can lead to inaccurate generalizations.

In summary, to generalize about a population using data from a sample, researchers should employ random sampling techniques, ensure an adequate sample size, and use a comprehensive and unbiased sampling frame. These practices increase the likelihood of obtaining representative and reliable results, enabling accurate generalizations about the larger population.

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Answer: B

Step-by-step explanation:

7(-2) - 4(1) = -18

-14 - 4 = -18

-18 = -18

TRUE

(-2) + 12(1) = 10

-2 + 12 = 10

10 = 10

TRUE

The value of the expression 0.00000397*520400000 is equal to

2*\(10^{4}\)+66 or 2066.

Given an expression be 0.00000397*520400000.

We are required to first convert each number into scientific notation

and round the decimal part to the nearest whole number.

Expression is basically a combination of numbers, fraction, coefficients, symbols that are usually not found in equal to form. We can find its value by putting the value of variable present in it or simply solving the numbers and symbols.

0.00000397*520400000=397/\(10^{8}\) * 5204*\(10^{5}\)

=(397*5204)/\(10^{3}\)

=2,065.988

=2066

=2*1033

=2*(\(10^{4}\)+33)

=2*\(10^{4}\)+66

Hence the value of the expression is equal to 2*\(10^{4}\)+66 or 2066.

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The system capacity is 2 units per minute, the bottleneck stage is Stage A, and the utilization of Stage 3 is 100%.

A line process has three processing stages with the characteristics given below:

Stage A B C Unit processing time(minutes) 1 2 3 Number of machines 1 1 2 Machine availability 90% 100% 100% Process yield at stage 100% 100% 100%

To determine the system capacity and the bottleneck stage and utilization of Stage 3:

The system capacity is calculated by the product of the processing capacity of each stage:

1 x 1 x 2 = 2 units per minute

The bottleneck stage is the stage with the lowest capacity and it is Stage A. Therefore, Stage A has the lowest capacity and determines the system capacity.The utilization of Stage 3 can be calculated as the processing time per unit divided by the available time per unit:

Process time per unit = 1 + 2 + 3 = 6 minutes per unit

Available time per unit = 90% x 100% x 100% = 0.9 x 1 x 1 = 0.9 minutes per unit

The utilization of Stage 3 is, therefore, (6/0.9) x 100% = 666.67%.

However, utilization cannot be greater than 100%, so the actual utilization of Stage 3 is 100%.

Hence, the system capacity is 2 units per minute, the bottleneck stage is Stage A, and the utilization of Stage 3 is 100%.

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The measured value of ∠E is 85° where the Quadrilateral CDEF is inscribed in circle A. If m∠C = 7x 11° and m∠E = 7x 1°.

When a Quadrilateral is inscribed in a circle, the diagonals complement each other. That is, the sum of the opposite angle measurements is 180 degrees.

So it looks like this:

m∠C + m∠E = 180°

Inserting the given value will result in:

7x + 11 + 7x + 1 = 180

Simplifying the formula to:

14x + 12 = 180

Subtracting 12 from both sides gives:

14x = 168

Dividing both sides by 14 gives:

x = 12

Now you can find the measurement of angle E.

m∠E = 7x + 1 = 7(12) + 1 = 85°

Therefore, the measured value of ∠E is 85°.

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Answer: 85

Step-by-step explanation:

To determine how many terms are needed in the Machin series to obtain π correct to 15 digits, we can use an Excel spreadsheet to calculate the series iteratively until the desired precision is achieved.

In the spreadsheet, we can set up a column for the terms of the Machin series and another column for the partial sums. Starting with the first term, we calculate the partial sum by adding each term to the previous partial sum. We continue this process until the difference between the partial sum and the actual value of π is less than 0.000000000000001 (10^-15), indicating that we have achieved 15-digit precision.

By monitoring the number of terms required to reach the desired precision, we can determine how many terms are needed to obtain π correct to 15 digits using the Machin series. In the explanation paragraph, you can describe the process of setting up the Excel spreadsheet, including the formulas used to calculate the terms and partial sums, and the condition for stopping the iteration when the desired precision is achieved. Additionally, you can mention the specific number of terms required to obtain π correct to 15 digits based on the results obtained from the Excel spreadsheet.

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To find the magnitude of x, we need to solve the system of equations given:  (1-j9)x + (2+j10)y = 4+j3, (2-j2)x + (7-j6)y = -5+j17. The magnitude of x is approximately √745 i.e., approximately 0.313.

We can use any method to solve this system, such as substitution or elimination. For simplicity, we'll use elimination:
Multiplying the first equation by 2-j2 and the second equation by 1-j9, we get:
(2-j2)(1-j9)x + (2-j2)(2+j10)y = (4+j3)(2-j2)
(1-j9)(2-j2)x + (1-j9)(7-j6)y = (-5+j17)(1-j9)
Simplifying, we get:
(20-18j)x + (26+26j)y = 2+14j
(20-18j)x + (61-47j)y = -112-122j
Now we can subtract the first equation from the second:
(61-47j)y - (26+26j)y = -112-122j - (2+14j)
35-73j)y = -110-136j
Solving for y, we get:
y = (-110-136j)/(35-73j)
To find x, we can substitute this value of y into either of the original equations and solve for x. Let's use the first equation:
(1-j9)x + (2+j10)(-0.565-0.169j) = 4+j3
Simplifying, we get:
x = (4+j3 - (2+j10)(-0.565-0.169j))/(1-j9)
x = 0.235-0.206j
Now we can find the magnitude of x:
|x| = sqrt(0.235^2 + (-0.206)^2)
|x| = 0.313
Therefore, the magnitude of x is approximately 0.313.

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Answer:

  19. m = -3; f(x) = -3x +5

  21. m = 0; f(x) = 9

  24. m = -3/2; f(x) = -3/2x +18 1/2

Step-by-step explanation:

The slope of the function is given by the slope formula ...

   m = (y2 -y1)/(x2 -x1)

The y-intercept (b) can be found from the table when it includes a point (x, y) = (0, b). If the table doesn't have the y-intercept, it can be found from ...

  b = y -mx

When m and b are known, the slope-intercept equation is ...

  f(x) = mx +b

__

  m = (11 -14)/(-2 -(-3)) = -3/1 = -3

The slope is -3. The function is f(x) = -3x +5.

__

  m = (9 -9)/(2 -3) = 0/-1 = 0

The slope is 0. The function is f(x) = 9.

__

  m = (14 -17)/(3 -1) = -3/2

  b = 17 -(-3/2)(1) = 18 1/2

The slope is -3/2. The function is f(x) = -3/2x + 18 1/2.

Answer:

6x + 6 = 30

2x = 8

plz give brainlyist

Step-by-step explanation:

6x + 2 = 10

to get the first term to be 6x you need to mulitply by 3 but if you did then the equation would be 6x + 6 = 30 so it is not equivlent      

6x + 6 = 30

if you multiply both side by 3 you get 6x + 6 =  30

2x+8

if you subtract 2 from both sides you get 2x = 8

6x = 10

to get the first term to be 6x you need to mulitply by 3 but if you did then the equation would be 6x + 6 = 30 then if you subtract 6 from both sides you get 6x = 24 so it is not equivlent  

Answer:

I have no idea sorry

Step-by-step explanation:

The characteristic that does not apply to a theoretical normal distribution is C) It is bimodal.

The main answer is C. An explanation for this is that a normal distribution has a single peak at the mean, and as we move away from the mean in either direction, the frequency of occurrence decreases.

Therefore, a normal distribution can never have two distinct peaks, making it impossible for it to be bimodal. All other options are characteristics of a normal distribution. In conclusion, a theoretical normal distribution is never negative, bell-shaped, and has equal mean, median, and mode, but it is not bimodal.

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Total coats should the store plan to sell this winter is 952.

Last winter, a store sold 408 coats in 3 months. This winter, the store plans to sell coats for 4 months.

What is sell?

Determine the total cost of all the purchased units. To find the cost price, divide the total cost by the quantity of units purchased. To get the final price, use the formula for selling price (SP), which is: SP = CP + Profit Margin. The cost of the commodity will then be increased by the margin to determine the proper pricing. Retail math describes the mathematical techniques or formulae utilised in the sales industry. It is earning money or receiving change in the most basic sense. Business owners, retailers, managers, and sales representatives all utilise retail math in their daily work.

3month = 408 coats

1 month = 408/3 =136 coats

Then, 4 months = 136*4 = 544 coats

Total coats should the store plan to sell this winter = 544+408 = 952.

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Forklift operator needs to make 26 trips to unload the truck.

The pound is a unit of weight or mass commonly used in the United States and other countries. It is abbreviated as "lb". One pound is equal to 16 ounces or 0.45359237 kilograms.

Three other commonly used units of weight or mass are:

Kilogram (kg): The kilogram is the base unit of mass in the International System of Units (SI). One kilogram is equal to 2.20462 pounds.

Gram (g): The gram is a metric unit of mass. One gram is equal to 0.00220462 pounds or 0.001 kilograms.

Ounce (oz): The ounce is a unit of weight commonly used in the United States and other countries. One ounce is equal to 0.0625 pounds or 28.3495 grams.

The total weight of rice and containers is:

\(5*10^4 + 2*10^3 = 52*10^3\) pounds

Since each container weighs \(2*10^3\) pounds, the number of containers is:

\(52*10^3 / 2*10^3 = 26\)

Therefore, the forklift operator needs to make 26 trips to unload the truck.

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