please help!! i will give brainliest.

Answer:

Step-by-step explanation

y2-y1 over x2-x1

0-3 = -3

2-0 = 2

So answer is:

-3/2

Answer: The slope is -3/2 or 1 1/2 simplified

Hope it helped :D

Please mark me brainliest

Answer:

18/25

Step-by-step explanation:

Based on the given information, the correct answer is: c) 105 observations

To calculate the required sample size, we can use the formula:

n = (Z * σ / E)^2

Where:

n = sample size

Z = Z-score corresponding to the desired level of confidence (for a 99% confidence level, Z = 2.576)

σ = standard deviation or variability

E = desired margin of error

Given:

Variability (standard deviation) = 2

Margin of error (E) = 0.5

Z = 2.576 (corresponding to a 99% confidence level)

Plugging in the values into the formula:

n = (2.576 * 2 / 0.5)^2

n = 10.304^2

n ≈ 106.01

Rounding up to the nearest whole number, the researchers would need at least 106 observations to obtain a margin of error no larger than 0.5 for a 99% confidence interval. Therefore, the correct answer is c) 105 observations.

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Formula for a cone's volume: V=1/3hπr²

So...

1) V = 1/3*10*π*5^2

(We got the 5 from the diameter and divided it by 2 to get the radius).

Answer: I got 261.799 m^3.

In order to interpolate between the two points (3,0) and (4,-3), the linear polynomial p(x) is equal to -3x + 3, and this equation is employed. The value of the constant term is 3, but the value of the coefficient x is -3.

A linear polynomial is a type of polynomial that has only one degree of complexity. This suggests that it can be stated using the formula p(x) = axe + b, where a and b are values that continue to be the same. a and b are values that remain unchanged. These two sentences inform us that the value of p(3) is zero, and that the value of p(4) is negative three. When we enter these values into the equation p(x) = axe + b, we obtain the two equations that are presented further down in this section:

0 = 3a + b -3 = 4a + b

Following the resolution of the equations for a and b, we find that the respective solutions are a = -3 and b = 3. Since this is the case, the linear polynomial p(x) that interpolates the two points (3,0) and (4,-3) is -3x + 3, as was demonstrated in the preceding sentence.

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Answer:

y = 0.20x(-38,000) + 38,000

Step-by-step explanation:

y: represents how much the price is now.

x: Represents the number of years passed.

y = 0.20x(-38,000) + 38,000

For example if it's 1 year

y = 0.20(1) (-38,000) + 38,000

y = 0.20(-38,000) + 38,000

y = -7600 + 38,000

y = 30,400

Answer:

Origin

Step-by-step explanation:

Origin is the starting points (0,0)

Hope this helped :)

The polynomial function h(x) has a complex zero at x = 3 – 4i with a multiplicity of one. The given table provides certain values of h(x) for various x-values.

A zero of a polynomial function corresponds to the values of x for which the function evaluates to zero. In this case, the zero is x = 3 – 4i, where 4i represents the imaginary unit multiplied by 4. The multiplicity of one indicates that this zero occurs only once in the function.

The table provides specific values of h(x) for different x-values, which allows us to observe the behavior of the function. However, without knowing the functional form of h(x) or additional information, we cannot determine the complete polynomial equation.

To fully determine the polynomial function h(x) based on the given zero, we need to know all of its zeros, including any real or complex zeros with their respective multiplicities. Additionally, the degree of the polynomial can affect the number of zeros it possesses. With this information, we could reconstruct the polynomial equation using methods such as factoring, synthetic division, or the quadratic formula.

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A polynomial function h(x) has a zero of x = 3 – 4i with a multiplicity of one. Certain values of h(x) are given in the following table.

x h(x)

–5  0

–2  3

–1  0

1  2

4 0

7  6

10  0

If every real x-intercept of h(x) is shown in the table and each has a multiplicity of one, what is the degree of h(x)?

3

4

5

6

A stem and leaf plot would best display the following data if you wanted to display the numbers which are outliers as well as the mean. Option C is the correct option.

A stem and leaf plot would be the best choice for displaying the given data if the goal is to show outliers as well as the mean. A stem and leaf plot is a simple and effective way to represent the data distribution while preserving the individual data points.

It organizes the data by separating the leading digit (stem) and the trailing digit (leaf). This plot allows for easy identification of outliers as they would be displayed separately from the main distribution. Additionally, the stem and leaf plot can include a line indicating the mean, providing a visual representation of its position relative to the data points.

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The question is -

Which would best display the following data if you wanted to display the numbers which are outliers as well as the mean?

[4, 1, 3, 10, 18, 12, 9, 4, 15, 16, 32]

A. Pie chart.

B. Bar graph.

C. Stem and leaf plot.

D. Venn diagram.

Answer:

choice 2) 4/3πr³

Step-by-step explanation:

The volume of the sphere is 678.24 u³  

V = ⁴⁄₃ * π * (6u)³

In mathematics, volume is the space taken by an object. Volume is a measure of three-dimensional space. It is often quantified numerically using SI derived units or by various imperial or US customary units. The definition of length is interrelated with volume.

here, we have,

To calculate the volume of a sphere we have to use the following formula:

V = volume

r = radius  = 6 units

π = 3.14

V = ⁴⁄₃πr³

we replace with the known values

V = ⁴⁄₃ * 3.14 * (6u)³

V = 4.187 * 216 u³

V = 678.24 u³

The volume of the sphere is 678.24 u³

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(A) The confidence level for the results of the poll is 90%

(B) The confidence interval is (58.411, 69.589).

(C) The range of the mean number of classmates who could expect better dental checkups is approximately 1867 to 2229.

(A) The confidence level for the results of the poll is 90%. This means that there is a 90% probability that the true percentage of users reporting better dental checkups falls within the stated range.

(B) To determine the confidence interval, we need to consider the margin of error. The margin of error is calculated by multiplying the critical value (obtained from a standard normal distribution table) by the standard deviation of the sample proportion. In this case, the standard deviation is determined by the given accuracy of 3.4 percent points.

Using a critical value of 1.645 (corresponding to a 90% confidence level), we can calculate the margin of error as 1.645 times 3.4, which equals 5.589.

To find the confidence interval, we subtract and add the margin of error from the reported percentage of users who reported better dental checkups. Subtracting 5.589 from 64 gives us a lower bound of 58.411, and adding 5.589 gives us an upper bound of 69.589. Therefore, the confidence interval is (58.411, 69.589).

(C) If all 32 students in a mathematics class used this toothpaste, the range of the mean number of classmates who could expect better dental checkups can be calculated by applying the confidence interval to the sample size. Taking the lower bound of the confidence interval (58.411) and multiplying it by 32, we get 1867.552. Rounding down, we have a minimum estimate of 1867 classmates who could expect better dental checkups.

Similarly, multiplying the upper bound of the confidence interval (69.589) by 32 gives us 2228.448. Rounding up, we have a maximum estimate of 2229 classmates who could expect better dental checkups.

Therefore, the range of the mean number of classmates who could expect better dental checkups is approximately 1867 to 2229.

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Answer: 97/100

Step-by-step explanation:

Answer:

The answer is 0.97 or 97/100

Step-by-step explanation:

9/10 = 0.9

7/100 = 0.07

0.9 + 0.07 = 0.97

Hope this helps!

Please mark as brainliest!

Answer:

i dont know this is to hard

Step-by-step explanation:

pay back for saying that on my question  

Answer:

your answer to this question is 35

Answer:

that statement is true

is there some other question?

Answer:

it is true

Step-by-step explanation:

The dimensions of the provided rectangle's sides ST and PT are 4 and 4√3 units, respectively.

Given: PFST is a rectangle with a radius of four and angle SOT of 60 degrees.

We must locate ST and PT.

We will thus apply the idea of cosine of an angle to find the same.

The law of cosine is expressed as follows for a triangle with sides α, β, and γ with angles, and:

[tex]\mathrm {b^2=a^2+c^2-2ac\cdot \cos \left(\beta \right)}[/tex]

Since the radius of the circle O is made up of the points OS, OP, OF, and OT, their measurements are all equal.

Now, considering the Δ SOT for ST.

We have,

β = 60° and a and c = 4.

Applying the law:

[tex]\mathrm b=\sqrt{4^2+4^2-2\cdot \:4\cdot \:4\cos \left(60^{\circ \:}\right)}[/tex]

Solving we get,

b = 4

Therefore, ST = 4 units.

Similarly, considering the Δ POT for PT.

Here, ∠POT = 180° - 60° [linear pair]

∠POT = 120°

So, we have,

β = 120° and a and c = 4.

Applying the law:

[tex]\mathrm b=\sqrt{4^2+4^2-2\cdot \:4\cdot \:4\cos \left(120^{\circ \:}\right)}[/tex]

Solving we get,

b = 4√3 units

Therefore, PT = 4√3 units.

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The figure is given below:

Answer:

A

Step-by-step explanation:

got it right on edg

Answer:

3/8

Step-by-step explanation:

Total = 8

Probability of blue: 1/8

Probabiity of white: 2/8

Probbility of blue AND white:

1/8 + 2/8

3/8

Answer:

3/8

Step-by-step explanation:

because there are 3 possbile places the spinner can go, and that there are 8 sections, the answer is 3/8

(1) Price (P) is an increasing function of income (Y) based on the assumption that S'(P) > 0, 37¹ D(Z,Y) < 0, and By Dr. = D(Z,Y) > 0. (2) Price (P) is an indeterminate function of tax (T) based on the given information.

(1) To determine the relationship between price (P) and income (Y), we need to analyze the sign of dP/dY, the derivative of price with respect to income. From the assumptions given, S'(P) > 0 implies that the supply function is strictly increasing with respect to price. Additionally, 37¹ D(Z,Y) < 0 implies that the demand function is strictly decreasing with respect to price. By Dr. = D(Z,Y) > 0 indicates that the demand function is strictly increasing with respect to Y. Therefore, when we differentiate equation (1) with respect to Y, we get S'(P) - D'(Z,Y) * (dZ/dY) = 0. Since S'(P) > 0 and D'(Z,Y) < 0, the sign of (dP/dY) depends on the sign of (dZ/dY). However, the information given does not specify the relationship between Z and Y, so we cannot determine the exact relationship between P and Y.

(2) Similarly, to determine the relationship between price (P) and tax (T), we need to analyze the sign of dP/dT, the derivative of price with respect to tax. Unfortunately, the information provided does not include any direct assumptions or relationships regarding the derivatives of the supply and demand functions with respect to tax. Therefore, based on the given information, we cannot determine the relationship between price (P) and tax (T).

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Answer:

first is x second is y third is -2-3

Step-by-step explanation:

make me brainliest or yo gay

Answer:

I would need to see the variables to answer this questions.

Answer:

4 6/10+ 6 8/10= 11 4/10

Step-by-step explanation:

The 4+6=10, and 6/10+8/10=14/10 which converts to 1 4/10. 10+1 4/10= 11 4/10

Answer:

11 and 4/10

Step-by-step explanation:

Hope this helps!

Answer:

[tex] A = \dfrac{8x}{3x + 1} [/tex]

Step-by-step explanation:

[tex]A = \dfrac{bh}{2}[/tex]

[tex] A = \dfrac{16x^2}{9x^2 - 1} \times \dfrac{6x^2 - 5x + 1}{2x^2 - x} \times \dfrac{1}{2} [/tex]

[tex] A = \dfrac{(16x^2)(6x^2 - 5x + 1)}{2(9x^2 - 1)(2x^2 - x)} [/tex]

[tex] A = \dfrac{(16x^2)(2x - 1)(3x - 1)}{2(3x - 1)(3x + 1)(x)(2x - 1)} [/tex]

[tex] A = \dfrac{8x}{3x + 1} [/tex]

Answer:

the answer is -3.375 hope this helped

Answer:

two

Step-by-step explanation:

The exact value of sec(60°) sec ( 60 ° ) is 2 .

After simplifying the inequality we get 6 < 28 which is true. Hence the given statement is true.

An inequality is a mathematical statement that uses the inequality symbol to indicate the relationship between two expressions. Both sides of an inequality sign have different expressions.

It signifies that the expression on the left should be more or smaller than the expression on the right, or vice versa. Literal inequalities occur when the relationship between two algebraic expressions is defined using inequality symbols.

The given inequality is:

3(2 - b) < 10 - 3(b-6)

Distribute the number inside the bracket,

6 - 3b < 10 - 3b + 18

Add 3n on both sides,

6 < 10 + 18

Simplifying it,

6<28

Hence,

The given statement is true.

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The complete question is:

Check whether the statement is true or false:

3(2 - b) < 10 - 3(b-6)

Answer:

I got 9.03

Step-by-step explanation:

the formula is V=pir2h

(pi, radius squared, and height)

Step-by-step explanation:

All of the angles in a triangle add up to 180. Since we know that the box in the left corner is 90° because it is a right angle then we just need to find x

2x+90=180

subtract 90

2x=90

divide by 2

x=45

Hope that helps :)

Answer:

Step-by-step explanation:

The two xs are contained in the same triangle.

Every triangle has 180 degrees.

2*x + 90 = 180                  Subtract 90 from each side

2x +90 - 90 = 180 - 90

2x = 90                             Divide by 2

2x/2 = 90/2

x = 45