The exterior angles of triangle UVW are ∠X, ∠Y, and ∠Z, and they are adjacent to ∠U, ∠V, and ∠W, respectively.

If m∠V is 95°, and m∠Z is 129°, what is m∠U?
A.
129
B.
95°
C.
51°
D.
34°

The correct option for calculating the degrees of freedom for the between-group estimate in ANOVA is: c. k - 1

Here's a step-by-step explanation:

1. ANOVA, or Analysis of Variance, is a statistical method used to compare the means of multiple groups to determine if there are significant differences between them. In this context, "k" represents the number of groups being compared, and "N" represents the total number of observations.

2. Degrees of freedom (df) are used in statistical tests to account for variability in the data. They are essentially the number of values that can vary independently in the calculation of a statistic.

3. In ANOVA, there are two types of degrees of freedom: between-group (df_between) and within-group (df_within).

4. To calculate the between-group degrees of freedom (df_between), we use the formula: df_between = k - 1. This is because there are k groups being compared, and each group contributes one degree of freedom, minus one since we are comparing the groups against each other.

5. The within-group degrees of freedom (df_within) would be calculated using the formula: df_within = N - k, which accounts for the total number of observations minus the number of groups.

In summary, to compute the degrees of freedom for the between-group estimate in ANOVA, you would use the formula df_between = k - 1.

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Answer:

\(x_{1}=\frac{75}{16}-\frac{5\sqrt{47} }{16}i , x_{2}=\frac{75}{16}+\frac{5\sqrt{47} }{16}i\)

Step-by-step explanation:

Answer:

11

Step-by-step explanation:

f(4)=3(4)-1

f(4)=12-1

f(4)=11

Multiplication operation is the inverse of the one in the given equation which is 9 = p/8.

What is an inverse?

The opposite of another operation is referred to as the "inverse" in mathematics. The operations that cancel out or are the opposite of one another are referred to as inverse operations. The work of a pair is reversed by an inverse operation.

We are given an equation as 9 = p/8.

In this equation,  we can see that the operation used is division.

We know that inverse of division is multiplication.

Hence, multiplication operation is the inverse of the one in the given equation.

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In summary, when repeated samples of size n are taken from a normal population with an unknown variance, the statistic t follows the t-distribution with n-1 degrees of freedom.

If repeated samples of size n are taken from a normal population with an unknown variance, then the statistic t follows the t distribution with n-1 degrees of freedom. When a sample of size n is taken from a normal population with a known variance and mean, the sample mean follows a normal distribution with a mean of μ and a variance of σ2/n. This distribution is known as the sampling distribution of the mean.

However, when the variance is unknown, the sampling distribution of the mean can no longer be calculated using the normal distribution. In this scenario, the sample mean is calculated using a t-distribution instead of a standard normal distribution.The t-distribution is similar to the standard normal distribution. However, it is more spread out and flatter than the standard normal distribution. As a result, the t-distribution has thicker tails than the standard normal distribution, which makes it more suitable for analyzing small samples of data.

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Answer: 40%

Step-by-step explanation:

**Assuming you meant 20 is what percent of 50?**

To find this answer, simply do 20/50 to get 2/5, or 0.4

Then, simply multiply 0.4 by 100%, to get 40%.

Hope it helps :) and let me know if you want me to elaborate.

Answer: 40.

Step-by-step explanation: 20 percent of 50 = 40.

(a) Isla's trading cards are 125% of Lily's trading cards.

(b) Lily's trading cards are 80% of Isla's trading cards.

Given that,

There are 225 trading cards and Lily has 180 trading cards.

To calculate the percentage of Isla's trading cards compared to Lily's,

We can use this formula:

⇒ Isla's trading cards / Lily's trading cards x 100%

Plugging in the values we get:

⇒ (225 / 180) x 100% = 125%

Therefore,

Isla's trading cards are 125% of Lily's trading cards.

b) To calculate the percentage of Lily's trading cards compared to Isla's, we can use the formula:

⇒ Lily's trading cards / Isla's trading cards x 100%

Plugging in the values we get:

(180 / 225) x 100% = 80%

Therefore,

Lily's trading cards are 80% of Isla's trading cards.

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Answer:

The best way to decompose the composite figure to determine its area is as a semicircle, a trapezoid, and two rectangles. This way, we can use the following formulas to find the area of each part:

Area of a semicircle = 21​πr2, where r is the radius of the circle.

Area of a trapezoid = 21​(b1​+b2​)h, where b1​ and b2​ are the bases and h is the height of the trapezoid.

Area of a rectangle = l×w, where l is the length and w is the width of the rectangle.

Then, we can add up the areas of each part to find the total area of the composite figure. The other options are not as convenient because they either involve more parts or more complicated shapes. For example, option A would require finding the area of a triangle, which involves using trigonometry or the Pythagorean theorem. Option B would require finding the area of four triangles, which is more tedious than finding the area of two rectangles. Option C would require finding the area of a square, which is redundant because a square is a special case of a rectangle.

Step-by-step explanation:

The composite figure can be decomposed into a semicircle, a trapezoid, and two rectangles.

Option D is the correct answer.

It is a quadrilateral that has one pair of parallel sides and a height.

The area is calculated as: 1/2 x sum of the parallel sides x height.

Examples:

Area of a trapezium that has the parallel sides as 3 cm and 4 cm and a heght o 5 cm.

Area = 1/2 x (3 + 4) x 5

Area = 1/2 x 7 x 5

Area = 35/2 = 17.5 cm^2

We have,

The given figure can be decomposed into the following figure.

- Semicircle

- Trapezoid

- Two rectangles

Thus,

A semicircle, a trapezoid, and two rectangles.

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angle QRO is 126 degrees

Answer:

126

Step-by-step explanation:

as corresponding angels

After the solution of the given equation 2.08(d - 9) = 0, the value of d is 9.

So, 2.08(d - 9) = 0 for d:

Therefore, after the solution of the given equation, the value of d is 9.

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Answer:

okay, I'll explain how to do it.

y = 4x

so make a table

-1. -4

0. 0

1. 4

plot those points and draw a line through them.

let's plot some points to start.

Answer:

112 Degrees

Step-by-step explanation:

Vertical Angles Theorem says they're equal.

Answer:

D

Step-by-step explanation:

There can be infinite solutions

Angles themselves cannot be parallel or not parallel to each other. Parallel lines are the ones that never intersect and always maintain the same distance between each other. However, angles can be congruent or supplementary to each other.

If you are referring to two lines with angles formed by a transversal, you can determine if the angles are congruent by comparing their measurements.

Angles themselves cannot be parallel or not parallel to each other. Parallel lines are the ones that never intersect and always maintain the same distance between each other. However, angles can be congruent or supplementary to each other.

If you are referring to two lines with angles formed by a transversal, you can determine if the angles are congruent by comparing their measurements. Two angles are congruent if they have the same measure. This can be proven using various angle relationships and properties, such as vertical angles, corresponding angles, alternate interior angles, alternate exterior angles, etc. These relationships are based on the properties of parallel lines and transversals.

If you want to determine if two angles are supplementary (their measures add up to 180 degrees), you can add the measures of the angles and check if the sum is equal to 180 degrees.

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The length of BD is approximately 22.67cm.

What is the Pythagorean theorem?

The Pythagorean theorem is a fundamental result in mathematics that states that in a right-angled triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the lengths of the other two sides (the legs). It is named after the ancient Greek mathematician Pythagoras, who by tradition is credited with its discovery and proof, although it is often argued that it is knowledge that was already known to the ancient Babylonians and Indians.

The theorem can be written mathematically as:

c^2 = a^2 + b^2

This is a classic problem in trigonometry known as the Pythagorean theorem in a right triangle. Since BD is perpendicular to AC, we can use the Pythagorean theorem to find the length of BD, which states that in a right triangle, the square of the length of the hypotenuse (BD in this case) is equal to the sum of the squares of the other two sides (AB and AD).

So, BD^2 = AB^2 + AD^2

We are given that AB = 17cm and AD = 15cm, so we can substitute those values into the equation and solve for BD:

BD^2 = (17cm)^2 + (15cm)^2 = 289 + 225 = 514

To find the length of BD, we take the square root of both sides:

BD = √514cm

BD ≈ 22.67cm

Hence, the length of BD is approximately 22.67cm.

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The term 3x² in the quotient is the result of dividing 3\(x^{4}\) by x²

On dividing 3x^4 by x² we get the following by the long division method

x² | 3x^4 | 3x² --------> quotient

    -(3x^4)

    ______

         0

Thus the quotient is 3x² as mentioned in the question and the remainder is 0. Long division is a method to find out the quotient and remainders on dividing number, algebraic expression by another. As shown above, on the right-hand side we get the quotient and at the bottom, the remainder is obtained.

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Answer:

32/7 or 4 4/7

Step-by-step explanation:

I used mathaway. JOKING!

Convert the fractions into mixed numbers.

So instead of 5 1/3 and 1 1/6

you will have 16/3 and 7/6

Apply the fraction rule

a/b ÷ c/d = a/b × c/d

= 16/1 x 2/7

then:

16 x 2

1 x 7

= 32/7

proper fraction: 4 4/7

Answer:

The slope is 5/3

Step-by-step explanation

The slope formula is \(\frac{rise}{run}\)

If you take 2 points on the line, the rise is 5 and the run is 3.

Answer: Her net income is less than $120.

Step-by-step explanation:

Based on the information given, the gross income for Amy will be:

= 15 × $8

= $120

Net income is the income that an individual has left after tax and every other necessary deductions have been removed. Therefore when this is done, the net income for Amy will be less than $120

The distance downstream that you will land on the other side is [b] L * (\(v_R\) / \(v_B\)).

To find the distance downstream that you will land on the other side, we can break down the problem into components.

Let's consider the time it takes to cross the river. The time is determined by the width of the river (L) and the speed of your boat (\(v_B\)). So, the time taken to cross is t = L / \(v_B\).

During this time, the river current (\(v_R\)) will carry you downstream. The distance covered downstream is given by d = \(v_R\) * t = \(v_R\) * (L / \(v_R\)).

Simplifying this expression, we get d = L * (\(v_R\) / \(v_B\)).

Therefore, the correct answer is [b] L * (\(v_R\) / \(v_B\)).

This means that you will land downstream a distance equal to the width of the river (L) multiplied by the ratio of the river's speed (\(v_R\)) to your boat's speed (\(v_B\)).

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Answer: 9

Step-by-step explanation:

Population size=7

Lower quartile=71

Upper quartile=80

67 Is or es el 67

Jajaja

Answer:

x = -2

Step-by-step explanation:

Answer:

9

Step-by-step explanation:

In linear equation, 15% is percentage of students are faster than pat .

What in mathematics is a linear equation?

An algebraic equation with simply a constant and a first-order (linear) term, such as y=mx+b, where m is the slope and b is the y-intercept, is known as a linear equation.

                            The variables in the previous sentence, y and x, are referred to as a "linear equation with two variables" at times.

When a value V is said to be in the xth percentile of a set, x% of the values in the set are lower than V and (100-x)% of the values in the set are higher than V.

             = (100 - 85 )%

             = 15%

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Answer:

Answer below

Step-by-step explanation:

3 - 19

4 - 25

5 - 31

6 - 37

Answer:

8.3 : 25 : 41.67

Step-by-step explanation:

75 into 1 : 3 : 5

1+3+5 = 9

9 shares in total

-

75 / 9 = 8.33333333

8.33333333 x 3 = 25

8.33333333 x 5 = 41.6666667

1 : 3 : 5

8.3 : 25 : 41.67

or

8 : 25 : 42 (rounded)

Yes, the connection between the semimajor axis and an orbit's period varies as the eccentricity of the orbit changes.

In geometry, the eccentric definition is the distance from any point on a conic section to the focus divided by the perpendicular distance from that point to the nearest directrix. In general, eccentricity aids in determining the curvature of a form. The eccentricity grows as the curvature lowers.

Here,

In general, an orbit's period is proportional to the square root of the semimajor axis multiplied by three. This connection, however, is only valid for circular orbits with zero eccentricity. When the eccentricity is larger than zero, the period of the orbit is still determined by the magnitude of the semimajor axis, but it is also determined by the form of the orbit as given by the eccentricity. The relationship between the semimajor axis and the period in this situation is not as straightforward as a proportionate relationship.

As a result, modifying an orbit's eccentricity modifies the connection between the semimajor axis and the period.

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The height of the antenna is approximately 29 meters.

The point of rise is a point that is framed between the even line and the view. An angle of elevation is formed when the line of sight extends upward from the horizontal line.

We should refer to the level of the structure as "h" and the level of the receiving wire "x". Two equations can be created with the help of the tangent function:

Since the elevation angle to the roof is 32 degrees,

tan(32) = h/20, and

tan(43) = (h+x)/20

because the elevation angle to the antenna's peak is 43 degrees.

We can solve for "h" in the first equation by multiplying both sides by 20:

h = 20 tan(32)

We can substitute this expression for "h" into the second equation:

tan(43) = (20 tan(32) + x)/20

Now we can solve for "x":

x = 20 tan(43) - 20 tan(32)

We can then add the height of Isaiah's eyes (1.62 meters) to get the total height of the antenna:

height = x + 1.62

Plugging in the values and using a calculator, we get:

height ≈ 28.7 meters

As a result, the antenna stands about 28.7 meters tall. The answer is 29 meters when rounded to the nearest meter.

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