The students at Emir's school voted for a new school color. 738 students voted for orange and the other 82 students voted for yellow. What percentage of the students voted for yellow?

Answer:

353340 + x + 33

Step-by-step explanation:

real life sum situation

Answer:

That it's shaded an 85% only (of 100%)Φ

Answer:

the first answer is no

the second one is square

sorry if it is wrong

Answer:

cos (-85°)

Step-by-step explanation:

\( \cos(275 \degree) \)

since cosine is in fourth quadrant:

\( \cos(275 \degree) = \cos( \{360 \degree - 275 \degree \}) \\ = \cos( - 85 \degree) \)

-85° is the angle between –180° and 0° that has the same cosine value as 275°.

Cosine is the trigonometric function that is equal to the ratio of the side adjacent to the acute angle in a right angled triangle.

Mathematically,

            Cos = Base/Hypotenuse

Now, to calculate cos(275) we have to first determine the quadrant of the given angle.

Since our angle is greater than 270 and less than or equal to 360, it is located in the Quadrant IV.

In the Quadrant IV, the values of cos are always positive.

275 is an obtuse angle so we can write,

Cos(275) = Cos{360+(-85)}

∵ Cos(360+θ) = Cosθ

∴ Cos{360+(-85)} = Cos(-85)

⇒ Cos(275) = Cos(-85)

The required answer is cos(275) = cos(-85)

Hence, -85° is the angle between –180° and 0° that has the same cosine value as 275°.

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Answer:

\(\displaystyle \frac{1}{10}(x+9)\)

Step-by-step explanation:

\(\displaystyle \frac{1}{10}x+\frac{9}{10}=\frac{1}{10}(x+9)\) because \(\displaystyle \frac{1}{10}(x+9)=\frac{1}{10}(x)+\frac{1}{10}(9)\) by the Distributive Property

The second derivative test for a multivariable function is generally in a positive definite quadratic form.

In mathematics, the second partial derivative test is a method in multivariable calculus which used to determine if a critical point of a function is a local minimum, maximum or saddle point.

A partial derivative of a multivariable function is a derivative with regard to one variable with other variables adhered constant. It is used to describe the concepts of gradient, divergence, and curl in terms of partial derivatives.

The second derivative of a function is directly the derivative of the function's derivative. Let's consider, as an example, the function f(x) = x^3 + 2x^2.

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Answer:

Step-by-step explanation:

A median is a line that joins the angle vertex to the the point that is located at 1/2 the distance across the the line.

Where the medians meet is the centroid.

The centroid divides the median into a ratio of 2 to 1.

HM/ML = 2/1

ML = 20

HM / 20 = 2/1         Multiply both sides by 20

HM = 2 * 20

HM = 40

The inequality that can be used to find w, the number of weeks it can take for the shelter to meet its goal, is: w ≥ 10

To find the inequality that can be used to determine the number of weeks it can take for the animal shelter to meet its fundraising goal, we need to consider the total expenses and donations.

Let's break down the expenses and donations:

Expenses:

Annual rental = $2,500

Weekly expenses = $450

Donations:

One-time donation = $125

Pledged donations per week = $680

Let w represent the number of weeks it takes for the shelter to meet its goal.

Total expenses for w weeks = Annual rental + Weekly expenses * w

Total expenses = $2,500 + $450w

Total donations for w weeks = One-time donation + Pledged donations per week * w

Total donations = $125 + $680w

To meet the goal, the total donations must be greater than or equal to the total expenses. Therefore, the inequality is:

Total donations ≥ Total expenses

$125 + $680w ≥ $2,500 + $450w

Simplifying the inequality, we have:

$230w ≥ $2,375

Dividing both sides of the inequality by 230, we get:

w ≥ $2,375 / $230

Rounding the result to the nearest whole number, we have:

w ≥ 10

Therefore, the inequality that can be used to find w, the number of weeks it can take for the shelter to meet its goal, is:

w ≥ 10

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Answer:

A

Step-by-step explanation:

1/4 + 1/4 + 1/4 + 1/4 + 1/4 = 1/4 * 5

A represents 1/4 * 5

B represents 1/4 * 3

C represents 2/3 * 4

D represents 3/5 *7

Hope this helps :)

Step-by-step explanation:

1/4+1/4+1/4+1/4+1/4

cancel B because it is 1/4+1/4+1/4

cancel C because it is 1/3+1/3+1/3+1/3

cancel D because it is 3/5+3/5+3/5+3/5+3/5+3/5+3/5

the right option is a because it is A because that is 1/4+1/4+1/4+1/4+1/4

Answer:

a=36

Step-by-step explanation:

The given angles are corresponding

2a+3a=180

5a=180

a=180/5=36

As angle OAB =40-degree, angle AOB is 100 degrees according to the properties of circle and triangle.

Some Properties of circle are distance from center of the circle to each point on the circumstances are equal. hence, OA=OB

Diameter is twice of radius.

The triangle having two equal side length is called isosceles triangle. In the figure, triangle OAB is an isosceles as OA=OB=radius

According to the criteria of isosceles triangle angle OAB =OBA =40°

hence, angle AOB= 180 degrees - (40°+40°) [angle sum of triangle =180°]

                  angle AOB= 100 degrees.

We get, AOB = 100 degrees

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The mean of the data in the dot plot is approximately 5.33.

By dividing the sum of the numbers by the total number of numbers, the mean, or average, of the given numbers is determined. Mean is equal to (Sum of all Observations / Total Observations).

We must sum up all the values and divide by the total number of values to determine the mean of the data in the dot plot.

The first step is to count the dots for each value:

3 has 3 dots

4 has 5 dots

5 has 6 dots

6 has 8 dots

7 has 5 dots

8 has 3 dots

Then, multiplying each value by the quantity of dots associated with it, we must total up all the products:

(3 x 3) + (4 x 5) + (5 x 6) + (6 x 8) + (7 x 5) + (8 x 3) = 3 + 20 + 30 + 48 + 35 + 24 = 160

Last but not least, we must divide the entire number of values—i.e., dots—by the sum:

160 ÷ (3 + 5 + 6 + 8 + 5 + 3) = 160 ÷ 30 = 5.33

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Answer:

D. 26

Step-by-step explanation:

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Brainliest?

g(x) = x^2 - 3

f(x) = x^3+7x^2-x

Start with the g(x) function. Replace every x with f(x)

g(x) = x^2 - 3

g(f(x)) = ( f(x) )^2 - 3

Then replace the f(x) on the right side with x^3+7x^2-x

g(f(x)) = (x^3+7x^2-x)^2 - 3

The highest term inside the parenthesis is x^3. Squaring this leads to (x^3)^2 = x^(3*2) = x^6

So the highest exponent found in g(f(x)) is 6, meaning the degree of is 6

The given equation has no vertex.

The vertex form is the another way of writing the equation of a parabola. Vertex form is use for quadratic equations.

To find the vertex of any equation we first have to convert the equation to the quadratic form that then find the x and y value .

Suppose the quadratic eq. is : \(a x^2 + bx +c\)

First find the x value which is equal \(\frac{-b}{2a}\)

and then find y value by putting x value in the given equation.

Thus, the vertex of the function is (x , y).

For the given question, equation is :

y = x-2

first convert this linear equation to quadratic form

y = 0 x² + x -2

here, a=0, b=1, c=-2

find x vertex = -b/2a = -1/0 which is not defined

Thus the equation has no vertex.

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You have to solve the given expression for x, first equal the expression to zero:

Answer:

The ratio is 1:3

Step-by-step explanation:

Out of every 3 girls, 1 made the team.

Answer:

4 units

Step-by-step explanation:

Considering the triangle KLJ, using the trigonometric ratios defined by the notation SOH CAH TOA

Line LJ is the opposite side while LK is the hypotenuse side. Hence,

Sin 30 = LJ/8√2

LJ = 8√2 × 1/2

= 4√2

Considering triangle LJM, line LJ is now the hypotenuse while line LM which is equal to x is the opposite side.

Sin 45 = x/4√2

x = 4√2 × 1/√2

x = 4

Answer:

4

Step-by-step explanation:

Just took the test in k12

Jim can alone finish painting fence in 6 hours, is the required answer of the word problem.

The given question is a word problem which can calculated as,

Tom and Huck paints a fence for four hours.

If Jim had not helped them to finish the work it would have taken Tom and Huck 5 more hours to finish.

That is, in (4+5)hours = 1 (total work)

⇒ in 9 hours = 1 (total) work is done

⇒ in 1 hour = 1/9 work is done

After Jim helped Tom and Huck after 4 hours they finished the work in 2 more hours.

That is, in 6 hours they did the total work.

Total work done by jim is = 1 - (4/9)

Since, Tom and Huck had already worked for 4 hours before Jim.

Thus. Work done by jim is 5/9 in two hours along with tom and Huck.

Work done by three of them in  1 hour is  = 5/9*2 = 5/18

Therefore, work done by Jim in 1 hour = Work done by three of them in 1 hour - Work done by Tom and Huck in one hour

= 5/18 - 1/9

= 1/6

Thus, Jim can alone finish the total work in 6 hours.

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Using the distributive property, it is found that the equivalent expression is:

18c - 30d + 36

It is a property that the outside term multiplies each of the inside terms.

In this problem, the expression is:

6(3c - 5d + 6).

Hence, we apply the property, with the outside term 6 multiplying each of the inside terms, hence the equivalent expression is given by:

6(3c - 5d + 6) = 18c - 30d + 36.

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The value of x on the diagram is given as follows:

x = 8.

The theorem used to solve this problem is given as follows:

A line parallel to one side of a triangle divides the other two proportionately.

As the two horizontal segments are parallel, the proportional relationship of the side lengths is given as follows:

(x + 4)/21 = x/14.

Applying cross multiplication, the value of x is obtained as follows:

21x = 14(x + 4)

21x = 14x + 56

7x = 56

x = 8.

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The equivalent expression to the given expressions after using distributive property is \(6(13+7)\)

As per the question statement, we are supposed to find the expression equivalent to the given expression \(6*13 + 6*7\) after using the distributive property. Before solving this problem, we should know about the distributive property, which states that \(a(b+c) = a*b + a*c\).

Therefore, \(6*13 + 6*7\)

\(=6(13+7)\), as per the definition of the distributive property.

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Answer: 2ayx4a

Step-by-step explanation:

1) First, we will need to simplify each equation:

4ax2y = 8axy

8axy = 8axy

2ayx4a = 8ayx4a

ax8y = 8axy

2) We can now see that 2ayx4a is not the same as the others.

To evaluate the indefinite integral ∫(−10x+1)e²ˣ−¹⁰ˣ²−⁴dx, we can rewrite it in terms of the substitution u=2x−10x²−4 and then integrate with respect to u.

Let's rewrite the integral using the substitution u=2x−10x²−4. To do this, we need to express dx in terms of du. Differentiating u with respect to x gives du/dx=2−20x, which implies dx=du/(2−20x). We can substitute these expressions into the original integral to obtain ∫(−10x+1)e²ˣ−¹⁰ˣ²−⁴dx = ∫(-10x+1)e²ˣ−¹⁰ˣ²−⁴(du/(2−20x)).

Simplifying this expression, we have ∫(-10x+1)e²ˣ−¹⁰ˣ²−⁴(du/(2−20x)) = ∫(-10x+1)e²ˣ−¹⁰ˣ²−⁴du/(2−20x). Now, we can factor out the common term (2−20x) from the numerator, resulting in ∫(-10x+1)e²ˣ−¹⁰ˣ²−⁴du/(2−20x) = ∫(-10x+1)e²ˣ−¹⁰ˣ²−⁴du/2(1−10x).

Now, the integral can be evaluated easily with respect to u, as the expression inside the integral no longer contains x. The resulting integral is ∫(-10x+1)e²ˣ−¹⁰ˣ²−⁴du/2(1−10x). Finally, we integrate with respect to u and replace u with the original expression 2x−10x²−4, giving the final result in terms of u: ∫(-10x+1)e²ˣ−¹⁰ˣ²−⁴dx = ∫(-10x+1)e²ˣ−¹⁰ˣ²−⁴du/2(1−10x).

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The Normal distribution is symmetric and ranges from negative to positive infinity, while the Log-normal distribution is skewed and only takes positive values. To select the better fit for data, consider characteristics (positivity and skewness favor Log-normal, symmetry favors Normal), hypothesis testing, visualization, and statistical tests.

Let's analyze each section separately:
a) The major differences between the Normal and Log-normal distributions are:

Normal Distribution: The Normal distribution, also known as the Gaussian distribution, is a symmetric probability distribution that is defined by its mean (μ) and standard deviation (σ). It follows a bell-shaped curve and is often used to model naturally occurring phenomena. The range of values extends from negative infinity to positive infinity.

Log-normal Distribution: The Log-normal distribution is a skewed probability distribution that arises when the logarithm of a random variable follows a normal distribution. It is characterized by its parameters mu (μ) and sigma (σ) of the underlying normal distribution. Unlike the Normal distribution, the Log-normal distribution only takes positive values.

b) Selecting which distribution fits the data better depends on the nature of the data and the research question at hand. Here are a few considerations:

1. Data Characteristics: If the data consists of positive values and the distribution appears to be skewed, the Log-normal distribution might be more appropriate. On the other hand, if the data is symmetric and unbounded, the Normal distribution may be a better fit.

2. Hypothesis Testing: If you have a specific hypothesis to test or a theoretical justification for choosing one distribution over the other, it is advisable to use that distribution.

3. Visualization: Plotting the data and comparing it to the shapes of the Normal and Log-normal distributions can provide visual insights into which distribution aligns better with the data.

4. Statistical Tests: Statistical tests such as the Kolmogorov-Smirnov test or the Anderson-Darling test can be used to assess the goodness-of-fit for each distribution and determine which one provides a better fit to the data.

In summary, selecting the appropriate distribution involves considering the characteristics of the data, the research question, and statistical tests. Visualization and hypothesis testing can further aid in determining the best fit distribution.

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The expectation value of the position squared when the particle in the box is in its third excited state is equal to \(\frac{9l^2}{8}\), where l is the length of the box. This is equal to nine-eighths of the length of the box squared.

The expectation value of the position squared when the particle in the box is in its third excited state can be calculated using the formula\(\langle x^2 \rangle = \frac{l^2}{8} \left( 2n^2 + 6n + 3 \right)\),

where n is the quantum number of the state and l is the length of the box. Here, n is 3, so the expectation value is equal to

\(\frac{l^2}{8} \left( 2 \times 3^2 + 6 \times 3 + 3 \right) = \frac{9l^2}{8}\).

This can be written as nine-eighths of the length of the box squared.

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Answer:

\(m=4473-55h\)

Step-by-step explanation:

Step one

Given data

speed= 55 miles per hour

time taken = 2 hours

Hence the distance covered is

from v=d/t

distance= velocity * time

distance= 55*2

distance= 110 miles

this means that the initial reading of the odometer is

=4583-110

=4473 miles

after h hours the distance covered will be

distance = 55*h

distance= 55h

the reading of the odometer m is

m= initial reading-distance

Hence the reading of the odometer m is expressed as

\(m=4473-55h\)

Answer:

Correct

m=55h+4473

Step-by-step explanation:

i got it right :-)

Null hypothesis not rejected; test not statistically significant at 95% confidence.

Based on the information you provided, the p-value is 0.09, and your significance level (alpha) is 0.05. In hypothesis testing, if the p-value is smaller than the significance level, it indicates that the results are statistically significant, and the null hypothesis should be rejected.

Conversely, if the p-value is greater than the significance level, it suggests that there is not enough evidence to reject the null hypothesis.

In your case, the p-value of 0.09 is larger than the significance level of 0.05. Therefore, you do not have enough evidence to reject the null hypothesis. This means that the results are not statistically significant at the 95 percent confidence level.

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Answer:

The value π is a rational number.

Step-by-step explanation:

Answer:

i believe its C

Step-by-step explanation: